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



375 



No. 9650. 



No. 9652. 



No. 9654. 



No. 9658. 



Parts and Accessories for No. 9640. 



2194. BUHNER, Alcohol Lamp, for use with Xo. 9640 when gas is not available. Burns with intensely 

 hot blue Bootless flame, using denatured alcohol. Burns 3 hours at one filling $3.50 



9641. CONDENSER only of Xo. 9640, made of polished copper with stop-cock for draining, with inner 

 tube of brass 22 inches long and % inch inside diameter, mounted on iron supports. Length 

 of condenser, 15 inches; height over all, 1" inches 12.00 



9<>42. CORKS, specially selected for use in distilling flasks, sizes No. 6, 7, and 8 assorted, in bags 

 of 100 '. per bag 1.25 



9643. FIBER BOARD, with hole to fit over end of condenser tube and prevent escape of gas from 



receiving cylinder .10 



FLASKS. "Distilling, Engler, see general heading Flasks. 

 GRADUATES, Cylindrical, see general heading Cylinders. 



9644. GUARD, for burner, of galvanized iron lined with asbestos 7.50 



13622. THERMOMETER for Distillation of Gasoline, graduated to read from to 270C. Made 



according to specifications of the United States Bureau of Mines. Thermometers of other 

 ranges or with Fahrenheit scale can be furnished shortly after receipt of order, if desired. 



(See Technical Paper 166, May 1917, page 21) 4.15 



13624. THERMOMETER. Solid Stem, Engraved Scale, same as No. 13622, but graduated from 20" to 

 520F.. in 2 divisions 4.15 



9645. ASBESTOS MAT, 5 inches square, with circular opening 114 inches in diameter, for shielding 



sides of flask from direct flame 10 



FLASH POINT TESTERS 



9650. FLASH POINT TESTER, Cleveland Open Cup, for high grade lubricating oils, made of heavy 

 brass castings. Complete with standard solid stem thermometer, graduated from 20 to 720F[, 

 with spirit lamp and Bunsen burner for gas 13.20 



9'i.")2. FLASH POINT TESTER, Cleveland Open Cup, similar to Xo. 9650, but smaller and of lighter 

 construction. Complete with solid stem thermometer and Bunsen burner 8.80 



13636F. THERMOMETER only for Xos. 9650 and 9652, graduated from 20" to 720F., in 2 divi- 

 sions 4.95 



9654. FLASH POINT TESTER, Elliott's, for illuminating oils only. Adopted as standard by the 



states of Xew York, Xew Jersey, Iowa and Michigan. Complete with glass cover, standard 

 solid stem thermometer graduated to 300F., lamp, thermometer holder, and directions for 

 use 13.20 



9655. PERFORATED GLASS COVERS for Xo. 9654 each .50 



13636B. THERMOMETER for Xo. 9654, graduated from 20 to 300"F., in 1 divisions 2.65 



965S. FLASH POINT TESTER, Foster's, for illuminating oils only. Complete with standard solid 



stem thermometer graduated to 190F., alcohol lamp, and directions for use 14.30 



9659. THERMOMETER for Xo. 9658, graduated from 60 to 190"F.. in 1 divisions, with metal 

 scale 2.00 



