298 



CENTRAL SCIENTIFIC CO., CHICAGO, U. 8. A. 



No. 7284. 



No. 7270. 



No. 7272. 



7246. 



GLOVES, Rubber, Acid Gloves, loose fitting, heavy, gauntleted. 



Sizes for women, 6 to 9 



Sizes for men, 10 to 12 



7264. GLUE, Le Page's. 



Bottle 



per pair $2.50 

 per pair 2.50 



Can 



7256. 

 7264. 



7270. 

 7272. 

 7274. 



7280. 

 7284. 

 7286. 

 7288. 



Size Small Large 2 oz. 4 oz. 8 oz. 1 Ib. 



Each 15 .20 .25 .40 .60 1.00 



GLCTE, Marine, waterproof per ounce bottle .25 



GLUE TESTER, Scott's, for comparing tensile strength of jelly, glue, etc. Can also be used 



for grease, waxes, etc. Eeads in pounds and fractions of ounces up to 3 pounds 25.00 



GOGGLES. Rubber, gas tight, with clear glasses lined with mica to prevent transmission of 



heat 1.20 



GOGGLES, Colored Glass, for protecting the eyes, mounted in metal frame with soft leather 



shields 40 



GOGGLES, Blue Glass, called Bessemer glasses. Widely used for inspection work in connection 



with steel furnaces, cement kilns, etc 1-20 



GOLD BEATER'S SKIN, 6 inches square 10 



GOLD WASHING HORN, of polished copper, 9 inches long 80 



GOLD WASHING PANS, of polished steel. 16 inches in diameter; 2% inches deep 1.00 



PROTRACTOR AND GONIOMETER, Penfield's. A graduated semicircle printed on a heavy 

 card, with an arm of transparent celluloid, swiveled on an eyelet at the center of the semicircle. 

 A fine index line on the under side of the celluloid arm indicates the angle. The instrument 

 is also an accurate goniometer for measuring plane angles. The millimeter scale, English 

 diagonal scale, scales for lOths, 12ths, and 16ths of inches, and graduation of the semicircle are 

 all engine divided. Each instrument placed in a stout manila envelope with complete printed 

 instructions by Prof. Penfield. Dimensions about 8x15 cm 60 



