High drafting in cotton spinning


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High drafting in cotton spinning
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Shipley, Oliver M
United States -- Bureau of Agricultural Economics. -- Library
U.S. Dept. of Agriculture, Bureau of Agricultural Economics ( Washington, D.C )
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Bureau of Agricultural Economics

Economic Library List No. 3

Washington, D.C., April 1939.


Compiled by 0. M. Shipley
Division of Cotton Marketing Branch Library,
Bureau of Agricultural Economics

Books and Pamphlets

Barnshaw, Charles. High drafting in cotton spinning. 127pp. London, E. Benn,
limited, 1930. 304 B25
"Although the main object has been to deal with high-draft arrangements,
I have found it necessary to refer to the character of the raw material
and to those preliminary operations which affect the process of drawing."

Noguera, J. Modern drafting in cotton spinning. 193pp. Leeds, Eng., Chorley
& Pickersgill, ltd. c19373 304 N68 1937
A new edition of the author's Theory and Practice of High Drafting in
Cotton Spinning.

Noguera, J. Theory and practice of high drafting in cotton spinning. ll3pp.
cManchester, Eng., Casablancas high draft co., ltd., 19343 304 N68

Richardson, R.P., and Ahmad, Nazir. Application of different systems of high
draft spinning to mixing of Indian cottons. India. Indian Cent. Cotton
Corm. Tech. Lab. Tech. Bull. Ser.A, no.19, 38pp. Bombay. 1932. 72.9 In2332A

I ...: Wh.

References in this list were taken
from Cotton Literature, Volume 1, ITNo. 1
to Volume 9, No. 2, inclusive, January
1931 to February 1939, and its prede-
cessor Current Literature on Cotton,
Volume 1, July to December 1930.

....... .... 11

2 --" -

Richardson, R.P., and Ahmad, Nazir. Farther tests on Indian cottons with
different systems of high draft spinning. India. Indian Cent. Cotton Comn.
Tech. Lab. Tech. Bull. Ser. A, no.37, 23pp. Bombay. 1937. 72.9 In2332A

Richardson, R.P., and Turner, A. James. Preliminary spinning tests on mixings
of Indian and American cottons using ordinary and high drafts. India.
Indian Cent. Cotton Corn. Tech. Lab. Tech. Bull. Ser. A, no.15, 21pp.
Bombay. 1930. 72.9 In2332A

Willis, H.H., Dunlap, G.H., and Moore, Vernette B. Cotton spinning. 141pp.
Washington, Textile foundation, 1938. 304 T318 cv.7?
"This course of instruction on cotton spinning is one of a series of
texts on cotton yarn manufacture."
Conventional three roll drafting and long draft, pp.57-66.

Periodical Articles

"Ariston." The economics of high-draft spinning. The incidence on production
costs of the various systems. Textile Recorder 50(592): 22-25; (593):
23-25. July 15, Aug. 15, 1932. 304.8 T311

B., H. "Modern drafting in cotton spinning", by J. Noguera. Textile Inst.
Jour. 28(10): P376. October 1937. 73.9 T31
Letter to the editor.

Baldus-Pross system of cotton spinning. Textile Manfr. 64(759): 113. March 1938.
304.8 T3126
"German progress in the adoption of a single-process speed frame and
high-draft ring spinning, including the use of special condenser trumpets
on the draw-frame deliveries."

EBarnshaw, C.] High-draft spinning. Its relation to yarn costs. Textile
Weekly 15(368): 321. lar. 22, 1935. 304.8 T3127
Report of address at meeting of the "Preston and District Textile Society,
on March 15", 1935.
Also reported in Internatl. Cotton Bull. 13(51): 369-370,373. April
1935; Textile Bull. 48(13): 14,20. May 30, 1935; Textile Manfr. 61(724):
133,144. April 1935.

Barnshaw, C. High drafting. Its economic advantages. Textile Recorder
51(602): 35,37. May 15, 1933. 304.8 T311

Belshaw, R. Controversies in cotton spinning. Textile Manfr. 62(744): 461.
December 1936. 304.8 T3126
Report of a lecture to the Manchester College of Technology Textile
Society, November 17, 1936.
High-drafting, single process lapping, high-speed winding and beaming,
warping from ring bobbins, "broken-back" rin; frame roller stands,, and
diameter and lift of ring bobbins are discussed.


Brandt, Carl. Super-draft roving. Early mechanisms coriplicated The modern
four-roll machine Some disadvantages Favorable points include sim-
plicity, flexibility, high quality of product and rapid investment return.
Amer. Wool & Cotton Reptr. 52(52): 9-10. Dec. 29, 1938. 304.8 W88
Paper presented at annual meeting of Textile Division of American Society
of Mechanical Engineers.
A brief history of Saco-Lowell Roth better drafting. How long draft became
better draft A simple explanation of the three systems in use today.
Saco-Lowell Bull. 8(1): 105. April 1936. 304.8 Sal

Brinkhaus, H. Simple high-draft system of cotton spinning. Textile Manfr.
57(684): 442. December 1931. 304.8 T3126
Describes the system.

Bromiley, H. Cotton fibre control with special reference to high drafting
methods. Textile Inst. Jour. (Silver Jubilee Conf. No.) 26(7): P215-P243.
July 1935. 73.9 T31
References: p. P243.
Paper read before the Silver Jubilee Conference of the Textile Institute,
at Ilkley, England, June 12 to 16, 1935.
Abstract in Textile Manfr. 61(727): 272-273,270. July 1935; Textile
Mercury and Argus 92(2414): 553,559. June 21, 1935.

The Casablancas compound drafting machine. Internatl. Cotton Bull. 13(49):
85-91. October 1934. 72.8 In8
Also described in Textile Manfr. 60(718): 413,417. October 1934;
Textile Weekly 14(345): 169,171. Oct. 12, 1934.

[Casablancas high draft co., ltd.3 Compound drafting developments. Spinner
1(4): 25-27. March 1937.

Casablancas high draft co., ltd. Compound drafting in England. Spinner 1(6):
30-31. October 1938.

Casablancas high draft co., ltd.] A new condenser for better drafting. Spinner
1(5): 25-27. March 1938.

cCasablancas high draft co., ltd.] Preparation costs in relation to high draft-
ing. Spinner 1(1): 6-11. June 1935.
In this article "an attempt is being made to present the relation be-
tween Preparation Costs and High Drafting in as general a way as possible,
the results being given not in absolute figures but in percentages, relating
to the ordinary conditions existing before the adoption of High Drafting.
The definite costs for any particular mill are obtainable by simply apply-
ing the corresponding percentages to the actual expenditure."
Also in Textile Mercury and Argus 93(2421): 149,160. Aug. 16, 1935.

ECasablancas high draft co., ltd.] The price of high drafting. Spinner 1(4):
6-8. March 1937.

Casablancas high draft co., ltd. Principles of perfected drafting. Spinner
1(6): 9-20. October 1938.


Casablancas high draft co., ltd. Refinements in Casablancas high-draft
mechanism. Textile Manfr. 64(760): 158. April 1938. 304.8 T3126

Casablancas high draft co., ltd.) Standard yarns from cheaper cotton.
Spinner 1(2): 6-10. November 1935.
Also in Textile Manfr. 61(732): 500. December 1935.

Casablancas high drafting system on self-acting males. Simple and practical
points which make conversion worth while. Textile Mercury and Argus
93(2437): 492. Dec. 6, 1935. 304.8 T318
Also in Textile Weekly 17(409): 9-10. Jan. 3, 1936.

Cobb, J.C. Experiences with long draft spinning. Rayon and Melliand Textile
Monthly 17(6): 388-389. June 1936. 304.8 R21

Cobb, J.C. Long draft vs. regular. Results of some recent mill tests. Textile
World 82(4): 738. October 1932. 304.8 T315
"It is the writer's opinion that... it is only a matter of time before
the mechanical defects will have been. overcome and mills will be saving
thousands of dollars by cutting out at least one process of fly frames
and making their filling with single roving."

Comparative tests on high-draft cotton spinning. Data of yarn quality and
spinning performance ri ring frames newly converted to high-drafting.
Textile'Manfr. 59(704); 320. August 1933. 304.8 T3126

Cotton spinning developments. Platt's graduated high draft system. Textile
Weekly 18(447): 337,339. Sept. 25, 1936. 304.8 T3127

Dawson, J.H. Short stapled cottons and high drafting. Textile Mercury
84(2182): 33; (2183): 53. Jan. 9, 16, 1931. 304.8 T318

Deroubaix, .ichel. Uine nouveaute en grand entirage: le dispositif brevete
Deroubaix. Revue Textile 32(9)! 645-646. September 1934. 304.8 R32
A novelty in the high drafting system: the patented Deroubaix motion.
"The Deroubaix high draft system is characterized by the introduction
between thu middle and delivery rollers of an ordinary drawing system of
a small heavy roller and of a belt which passes round a framework and a
driving roller. The framework only supports and guides the edges of the
band leaving free the central part below the small heavy roller, so that only
a light pressure is exerted on the fibres at this point." Textile Inst.
Jour. 25(12): A533. December 1934.

Devaux system of high-draft cotton spinning. Textile Manfr. 63(753): 362.
Septei.ber 1937. 304.8 T3126

The economics of high drafting in cotton spinning. The cost of spinning cotton
yarns can be reduced by the adoption of high drafting. This article
stresses the necessity for spinners to consider the question from the
economic aspect. Textile Recorder 51(605): 28-29. Aug. 15, 1933.
304.8 T311

1- 5 -

Electric roll picker for long draft frames. Melliand Textile Monthly 3(6):
504. September 1931. 304.8 R21

Engelmann, Josef. Hochverzugsstreckwerke. Monatschrift fUir Textil-Industrie
46(3): 83-84; (4): 117-118. March-April 1931. 304.8 L53
High draft drawing frame.

Fibre control. A comparison of the conventional three-roll system and Saco-
Lowell Roth better drafting system. Saco-Lowell Bull. 8(2): 1-6.
June 1936. 304.8 Sal

Fraser, William McLeod. Machines and processes. Developments in single
Process picking, high draft roving, long draft spinning, roll covering,
rings and spindles, packages, speeds and tape tension. Amer. Wool &
Cotton Reptr. 51(41): 22, 31-35. Oct. 14, 1937. 304.8 W88
An address presented at the convention of the National Association of
Cotton Manufacturers, Providence, R.I., October 6 and 7, 1937.

"Graduated" high-draft cotton spinning. Textile Manfr, 62(742): 386. October
1936. 304.8 T3126
Also in Textile Mercury and Argus 95(2483): 438. Oct. 23, 1936;
Internatl. Cotton Bull. 15(57): 131-132. October 1936.

High-draft cotton spinning tests. British and continental methods compared.
Textile Mercury and Argus 86(2254): 479. May 27, 1932. 304.8 T318

High draft in cotton spinning. Textile Weekly 16(396): 352. Oct. 4, 1935.
304.8 T3127
"Abstract from a lecture by a representative of the Casablancas High
Draft Co., Ltd., to the Oldham Technical Association and Old Students
Union, October 3, 1935," giving a review of the Casablancas system.

High draft speed frame incorporating two drafting zones with two rollers in
each zone. Textile Recorder 55(657): 48-49. Dec. 6, 1937. 304.8 T311
A description of the H. & B. Patent High Draft Speed Frame introduced
by Howard & Bullough, Ltd.

High draft spinning. The Meynell W.T.R. system. Textile Recorder 52(619): 49.
Oct. 15, 1934. 304.8 T311

High drafting at the mule. Textile Manfr. 58(687): 102-103. March 1932.
304.8 T3126
"Some possibilities of the application of high-draft mechanism in mule
spinning and advantages which might be gained."

Hill, F. High drafting. Textile Recorder 49(589): 34,37; 50(590): 24-25.
Apr. 15, May 15, 1932. 304.8 T311

Howard and Bullough ltd. High-draft cotton speed frames. A 5-line rollers
cotton speed frame is provided as a single speed frame process and another
system uses a 4-line rollers frame. Textile Manfr. 63(752): 319-320.
August 1937. 304.8 T3126


Howard and Bullough ltd. Two-zone four-roller high-draft speed frame for
cottons of medium staple. Textile Manfr. 63(755): 451,456. November 1937.
304.8 T3126

Howard and Bullough ltd. "Zone" drafting regardless of staple length. The
H. & B. high draft improved model speed frame. Textile Weekly 20(502):
491-492. Oct. 15, 1937. 304.8 T3127

Improved cotton spinning machinery. Textile Recorder 56(669): 48. Dec. 6,
1938. 304.8 T311
"A new type speed frame and an improved ring spinning frame high
drafting system are described in this article."

Improved cotton spinning machinery. A modified Buckley opener, high draft
speed frames and ring spinning frames are described in this article.
Textile Recorder 56(666): 45-46. Sept. 6, 1938. 304.8 T311

Improved roller for high drafting. Describing the new volt tread system.
Textile Amer. 55(5): 24-25. May 1931. 304.8 T317
Reprinted from Textile Mercujry.

Joshi, B.B. High drafting of cottons: some important results. Indian Textile
Jour. 46(548): 272. May 1936. 304.8 In2

Lakeman, S. High drafting on the mule. Textile Recorder 51(603): 41-42.
June 15, 1933. 304.8 T311

Landau, A.K. Long-draft roving. Why it is possible and profitable in present-
day cotton mill operation. Textile World 87(13): 2662-2663. December
1937. 304.8 T315

Leittretter. Die vorbereitungskosten in beziehung zum hochverzug. Spinner
und.Weber 53(52): 1-4. Dec. 27, 1935. 304.8 Sp4I
Preparation costs in relation to high draft spinning.
"The author discusses the modifications in the preparatory processes
at the speed frames and the saving in the costs of these processes made
possible by the introduction of high draft spinning and calculates the
percentage saving in preparation costs for cases in which (a) the roving
frame is eliminated, and (b) all the speed frames are retained but the
drafts on these are reduced so that a coarser roving is produced. C."
Textile Inst. Jour. 27(2): A50. February 1936.

Long draft in N.C. mill. Advantages from installation of better drafting.
Eliminated 13 roving frames. Power and labor costs substantially decreased.
Breaking strength 25% higher. Amer. Wool & Cotton Reptr. 48(7): 15-16.
Feb. 15. 1934. 304.8 W88

Long draft roving low in first and final cost. Whitin Rev. 4(1): 1-5.
July 1936. 304.8 W58
Methods of using the long-draft system are described.


Lowell, W. Frank. Modern spinning technique. Process changes have affected
cotton manufacturing- Research and testing instruments Opening and
picking Controlled draft drawing Long draft spinning. Amer. Wool &
Cotton Reptr. 51(41): 23-24, 52-57. Oct. 14, 1937. 304.8 W88
An address presented at the annual convention of the National Associa-
tion of Cotton Manufacturers held in Providence, R.I., October 6 and 7,

SMerrill, G.R. Cotton organizations. Calculations for 6s,13s, and 22s yarns,
with long-draft modifications. Textile World 86(8): 1451-1452. July 1936.
304.8 T315

Merrill, G.R. Long draft vs. normal draft. Amer. Wool & Cotton Reptr.
44(36): 3317. Sept. 4, 1930. 304.8 W88
"The studies which served as a basis for the results shown in this
report were carried on for two years in the laboratories of the Lowell
Textile Institute."

Merrill, G.R. Machinery organization, with long-draft modifications, for
40s to 60s cotton yarn. Textile World 86(10): 1812. September 1936.
304.8 T315
Fifth of a series of articles on the calculation of cotton-yarn organi-

Meynell, Henry. High draft cotton spinning. The Meynell patent washer roller.
Textile Weekly 18(456): 601,603. Nov. 27, 1936. 304.8 T3127

cMeynell, Henryj High drafting The three or four line system? What mill
r tests with Indian cotton have revealed. Textile Mercury and Argus
89(2323): 251,xi. Sept. 22, 1933. 304.8 T318
Extracts from a letter to the editor in which the author offers "to
prove that there is 100 per cent. more 'fly' off a four line than off the
Meynell system of three lines."

Meynell, Henry. A high drafting development. Textile Manfr. 60(718): 410,416.
October 1934. 304.8 T3126
"Comments upon principles and mechanism in high-draft spinning of

Meynell's W.T.R. high draft roller. A Henry Meynell lecture at Rochdale.
Textile Mercury and Argus 95(2488): 568. Nov. 27, 1936. 304.8 T318

Mihra, R.D. High draft systems of spinning and their importance to trade.
Indian Textile Jour. 44(527): 385,388. Aug. 31, 1934. 304.8 In2
"Tests carried out by the Technological Laboratory cIndian Central
Cotton Committee], though by no means complete, amply justify the assump-
tion, that a great economy would result by the introduction of either
the High Draft System A or C."

- 8 &A

A mill report on long-draft spinning on a large package frame. Cotton /
EAtlantaj 95(5): 414. March 1931. 304.8 0823 i

More mill tests on high drafting. The formation of "fly" at critical points.
Textile Weekly 12(291): 113-114. Sept. 29, 1933. 304.8 T3127
Table shows results of 11 high-draft tests on Indian cotton.
Also in Textile Recorder 51(607): 27-28. Oct. 15, 1933.

New long draft system. Textile Bull. 47(25): 44. Feb. 21, 1935. 304.8 So82
"A new system of long drafting brought out by the Belger Company of
Watertown, Mass." is described.

New system of high drafting for cotton spinning. Melliand 2(4): 584-585.
July 1930. 304.8 M48
The Leigh & Butler patent long draft system for cotton spinning.

Noguera, J. High drafting. Textile Weekly 10(249): 400. Dec. 9, 1932.
304.8 T3127
"In a lecture to the Ashton and District Mill Managers' Association,
Oct. 26, 1932."

Noguera, J. High drafting in cotton spinning. The most modern developments
from Casablancas. Textile Weekly 22(561): 743,745-747. Dec. 2, 1938.
304.8 T3127
In a lecture to the Oldham Cotton Mill Managers' Association, November
18, 1938.

Noguera, J. The mechanism of high-draft cotton spinning. Textile Manfr.
61(724): 145-146, 154. April 1935. 304.8 T3126
"In a lecture to the Manchester College of Technology Textile Society."
"High-draft in cotton spinning is basically dependent on the degree
of control of individual fibres. Advantages of new roller weighting
arrangements and of a 'compound drafting' frame are also explained."
Comment by Henry Meynell, in Textile Manfr. 61(725): 192. May 1935.

Oxley, Dr. High drafting and its influence on cotton mill reorganization.
Fibre and Fabric 85(2478): 9-11. July 30, 1932. 304.8 F44

Platt Brothers and co., ltd. High-draft cotton ring spinning. Conversion of
ring frames from three roller lines system to four lines high-draft system.
Textile Manfr. 63(745): 20,26. January 1937. 304.8 T3126

Pratt, Horace L. Cotton manufacture advances include acceptance of long-draft
roving and introduction of high-speed slasher. Textile World (Ann. Rev.
and Forecast No.) 88(3): 63-64. Feb. 28, 1938. 304.8 T315
Review of 1937.

Pratt, Horace L. A million more long draft spinning spindles, with continued
development of long-draft roving Other advances. Textile World 87(3):
142-143. Feb. 28, 1937. 304.8 T315

" 9

Richardson, R.P. High drafting. Indian Textile Jour. 44(518): 65-66, 68.
Nov. 30, 1933. 304,8 in2
Abstract of a paper read before the Bombay European Textile Associa-
tion on September 21, 1933.
Discusses factors in drafting and popular high-draft systems.

[Rooney, Tom3 The Rooney hi-drafting system. Cotton cAtlantaj 100(1): 68.
January 1936. 304.8 0823
"The Rooney 'Hi-Drafting' system is applied on card room machinery
and prepares roving in such a manner that it can be spun on the con-
ventional spinning frame, where the only changes made are in the draft
gears... A sketch of an installation for roving frames is shown.N -
Textile Inst. Jour. 27(4): A157. April 1936.

Roving goes long draft. Change to single process promises to hold spotlight
as outstanding trend of 1937 in cotton manufacture. Textile World 87(4):
722-723. March 1937. 304.8 T315

Saco-Lowell better draft system; a critical study of its construction,
characteristics, and operation. Saco-Lowell Bull. 9(4): 1-7. September
1937. 304.8 Sal

Saco-Lowell contributions to the new era in cotton spinning practice. Saco-
Lowell Bull. 8(5): 14-18. December 1936. 304.8 Sal

[Saco-Lowell shops3 New Saco-Lowell controlled draft roving. Textile Bull.
47(6): 11,15,22. Oct. 11, 1934. 304.8 So82
A new long-draft single-process roving system developed by Saco-Lowell
Also in Cotton EAtlanta) 98(10): 66-67. October 1934; Amer. Wool &
Cotton Reptr. 48(41): 17-19. Oct. 11, 1934; Internatl. Cotton Bull.
13(49): 88,91. October 1934.

rSouthern textile association. Eastern Carolina division2 Long draft spinning.
Advantages of this method discussed by Eastern Carolina division of S.T.A. -
Application to old frames Reports on various tests with long draft.
Amer. Wool & Cotton Reptr. 46(42): 13-14, 20-22. Oct. 20, 1932.
304.8 W88
Meeting was held at Henderson, N.C., October 7, 1932.
Also reported in Southern Textile Bull. 43(9): 10-11, 27, 32-33. Oct. 27,

cSouthern textile association. Gaston Ccunty division2 Spinning combed yarn
with longer drafts considered in Gaston Co. meeting. Textile World
83(7): 1098. June 1933. 304.8 T315
Meeting at Ranlo, N.C., &May 11, 1933.

[Southern textile association. North Carolina-Virginia division] Carding and
spinning discussions. North Carolina-Virginia division discusses humidity,
one and two-process drawing, card production, long draft roving, cleaners,
cork rolls, long draft aprons. Amer. Wool & Cotton Reptr. 50(17): 17-20.
Apr. 23, 1936. 304.8 W88
Report of a meeting held in Greensboro, N.C., April 11, 1936.
Also reported in Textile World 86(6): 1098. May 1936; Cotton [AtlantaJ
100(5): 75-78. IYnv iQV

- 10 -

cSouthern textile association) Northern North Carolina-Virginia division.
Discussions at Greensboro meeting Long draft, cork rolls, one-procesf ::
drawing, rubber cots, control draft.. Amer. Wool & Cotton Reptr. 50(44)i.
9-10, 14-15. Oct. 29, 1936. 304.8 W88
Also reported in Cotton cAtlanta3 100(11): 72-74, 123. November 1936.

rSouthern textile association. Northern North Carolina-Virginia division
STA division meets in Burlington. Again study long draft roving. Cotton
EAtlanta3 102(11): 73-76. November 1938. 304.8 C823
Report of meeting at Burlington, N.C., October 22, 1938.
Also reported in Textile Bull. 55(6): 15-16, 42-43, 46. Nov. 15,
1938; Amer. Wool & Cotton Reptr. 52(49): 15-18. Dec. 8, 1938.

[Southern textile association. South Carolina division Cotton spinning dis-
cussions. S.T.A. South Carolina section discusses single and double
roving, spun rayon, cleaning, long draft. Amer. Wool & Cotton Reptr.
52(43): 25-26. Oct. 27, 1938. 304.8 W788
Report of meeting of Carders' and Spinners' Section at Greenville,
S.C., October 15, 1938.

CSouthern textile association. Spinners' division) Spinning 30s cotton with
long draft made from seven-eights or longer staple various suggestions
as to draft, breaking strength, rolls and speeds cleaner and other
waste long draft on old frames. Amer. Wool & Cotton Reptr. 45(50): 15-
16, 18. Dec. 10, 1931. 304.8 W88
Part of discussion at meeting held at Spartanburg, S.C., November 20,

Spibey, Horace. High drafting main feature of recent developments in spinning
machinery. Textile Recorder 55(655): 39. Oct. 6, 1937. 304.8 T311

Tatum, C.S. Better management brings reduction of cotton manufacturing costs.
Textile World 79(6): 612-613. Feb. 7, 1931. 304.8 T315
Discusses oil spraying, long-draft spinning, improvements in looms,

Technical advances in cotton manufacture include new winders and the acceptance
of long-draft roving. Textile World 86(3): 446-447. Feb. 28, 1936.
304.8 T315
Review of developments in 1935.

The Trumbach self-contained high draft combing unit. Advantages claimed for
the ring grooved roller. Textile Mercury and Argus 88(2306): 413. May 26,
1933. 304.8 T318
"A high drafting system, which, it is claimed will draw piecings better
than ordinary spinning and which can be applied to any existing machine
without alteration to rollers, roller stands or cap bars, has been intro-
duced by the firm of J.O. Whitaker (Accrington) Ltd." The salient features
are outlined in this article.

- 11 -

biulow, J.L. Long draft in roving ard single vs. double roving in spinning.
Textile World 82(5): 966-968. November 1932. 304.8 T315
"Delivered before the meeting of the Textile Division of the American
Society of Mechanical Engineers, at Greenville, S.C.," Oct. 19, 1932..
Also in Cotton cAtlanta; 96(11): 25-28. November 1932; Southern
Textile Bull. 43(14): 6, 8-9. Dec. 1, 1932.

Truslow, J.L. Long draft roving. A pioneer installation. Cotton [Atlantaj
97(7): 23-25. July 1933. 304.8 C823
Describes the installation at the Canada Mill, Cornwall, Ont.

Truslow, J.L. Long draft roving. A report of progress. Whitin Rev. 2(2):
6-9. April 1934. 304.8 W58

Tschudi, J.J. High-draft in spinning cotton yarns. Historic development,
various methods, and men accredited with its success Elementary and
scientific aspects. Mfelliand Textile Monthly 3(5): 381-383; (6): 469-
471; (7): 565-566. August-October 1931. 304.8 M48

Twin-sliver cotton drawframe and single-process speed frame. High-draft is
applied to speed frames so that only one process is necessary, and draw-
frames are arranged to give double slivers of twice the fineness. Textile
Manfr. 63(747): 103-104. March 1937. 304.8 T3126

Two spinning problems: High drafting roller difficulties and a remedy. How to
avoid "crackers" and lumps. Textile '.ercury and Argus 40(2339): 32.
Jan. 12, 1934. 304.8 T318
Questions asked by F.W.H. and answers by a spinning authority.

The W.T.R. high-drafting system. Internatl. Cotton Bull. 15(58): 293-297.
January 1937. 72.8 In8

Walsh, W.A. High drafting in cotton ring spinning. Textile Amer. 55(2):
43-45. February 1931. 304.8 T317

cWhitin machine works) Super-draft roving. Textile World 84(10): 1834.
September 1934. 304.8 T315
"In the new Super-Draft system the sliver passes first to a Thitin-
Casablancas high-draft slubber and then through a revolving piece so de-
signed as to insert a false twist which pulls in the selvedges. Finally
it passes through a regular set of drafting rollers. This system is
capable of drafts up to 40 and will produce roving as fine as 6.00-hank
from cans of finished drawing sliver. Tests have shown that yarn produced
by this process is at least equal to that produced from the same sliver by
three- or four-process roving. The amount of stretching, piecing and
fibre breakage to which roving is usually subjected is reduced in the
new process and creeling is reduced to a negligible factor, since on
5.00-hank roving, for example, a can will require 87 hours to run out.-
C." Textile Inst. Jour. 26(1): All. January 1935.

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Yarn production simplified by' ew. hicf1 raft cotton spinning system:. "Textf1l.I
Mercury and Argus-l(2381):. 397.. Nov. 2, 1934. 304,8.T31.: .
The illustrating, shows "Meue11is W.T.R. high draft.-system." .. .::::
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No. 1. State trade barriers: selected references. March


No. 2. The frozen food industry: selected references, January 1937 to
March 1939. April 1939.

No. 3. High drafting in cotton spinning: selected references. April -1939.

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