CENTRAL SCIENTIFIC CO., CHICAGO, U. S. A. 



489 



No. 13410. 



No. 13412. 



No. 13416. 



TESTING MACHINES FOR YARN, CLOTH, PAPER AND RUBBER 



13410. TESTING MACHINE, Yarn, Hand Operated, constructed on the dead weight lever or pendulum 

 principle, without springs or delicate parts to wear out or cause trouble. The machine will 

 take 54 inch skeins, but may be used on 36 inch skeins by the addition of an extension hook. 

 For short single strands special clamping screws may be obtained. The pull is registered 

 automatically by the pointer on the dial until reset by the operator. With 9 inch heavy iron 

 hand wheel, mounted on oak back board, with all metal parts finished in black enamel and 

 nickel-plate. 



Capacity, pounds 100 150 200 250 



Each (F. O. B. Factory) $62.50 67.50 74.75 80.00 



Note: These machines are not carried in stock and we can not guarantee immediate delivery. 



13412. TESTING MACHINES, Cloth and Paper, Hand Operated, similar in construction to No. 13410, 

 but with clamps for use with cloth or paper, designed to make various styles of tests. The open 

 space back of the gripping surfaces allows large samples to be used without cutting or strip- 

 ping. Mounted on oak back board with iron brackets for attachment to wall. Total length 

 of machine, about 5 feet. 



Capacity, pounds 100 150 200 250 



Each (F. O. B. Factory) 90.00 104.50 112.50 163.50 



Note: These machines are not carried in stock and we can not guarantee immediate delivery. 



13416. TESTING MACHINE, Rubber, for Power Operation, vertical type, designed to be fastened to 



the wall. The construction is similar to that of the textile testers described under Nos. 13410 

 and 13412, but modified to meet the requirements of the rubber trade. The dial is gradu- 

 ated with two rows of figures, the outer reading from to 250 pounds in 1 pound divisions, 

 the inner from to 50 pounds in } pound divisions. The shift is made by removing the lower 

 weight from the lever. The stretching screw is 1% inches in diameter and has a maximum 

 stroke of 48 inches, the length being controlled by a vertical rod carrying two adjustable 

 collars which mark the starting point and the reverse. After each test the machine reverses 

 automatically, stopping in the proper position to receive a new sample. The normal speed of 

 20 inches per minute of the stretching screw may be varied as desired. A graduated brass 

 scale at the left of the machine carrying two riders connected by a graduated steel tape ena- 

 bles the total stretch of the sample or the distance between any two marks to be read to 

 1 of an inch. This machine can be arranged to test fabrics, cord, paper, twines, yarn and 

 other materials as well as rubber. Total length of machine, 7 feet; power required to operate, 

 % h. p. With one pair of clamps and pulley for belt, but without motor. 



F. O. B. Factory 350.00 



Note: This machine is not carried in stock aand we can not guarantee immediate delivery. 



13417. CLAMPS, Flat Grip, for use with Xo. 13416 to adapt it for paper testing. 



Per pair (F. O. B. Factory) 45.00 



For other PAPER TESTING MACHINES, see Paper Testing Apparatus. 

 TEXTILE BALANCES, CONDITIONING OVENS, etc., write for information. 



