476 



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



No. 13028. 



No. 5732. 



No. 13032. 



13014. SULPHUR APPARATUS, Meyer's, for the determination of sulphur in iron and steel by the 

 bromine method. 



No A B 



Number of bulbs 6 10 



Each $1-50 2.00 



13016. SULPHUR APPARATUS, Meyer's, same as No. 13014, but with stop-cock ground to fit bulb. 



No A B 



Number of bulbs 6 10 



Each r 4.00 4.50 



13020. SULPHUR APPARATUS, for the determination of sulphur in oils, consisting. of three glass parts 

 with wooden base i 3.00 



13024. SULPHUR APPARATUS, Norris, for the determination of sulphur in iron and steel. Complete 

 as illustrated 3.50 



3141. SULPHUR BULB only of No. 13024 70 



SULPHUR PHOTOMETER, Parr's, see No. 2378. 



13028. SULPHUR RACK, Illinois Steel Company Form, consisting of an iron stand with a row of high 

 temperature burners with individual stop-cocks, and with adjustable flask supports and clamps. 

 A rack is provided with hooks to support sulphur bulbs. Without glassware 35.00 



5732. SULPHUR APPARATUS, for determining whether grain has been bleached, as recommended in 

 Circular No. Ill of the United States Bureau of Plant Industry. Consists of an Erlenmeyer 

 flask with ground in connecting tube. Capacity, 500 cc 1.95 



SULPHUR APPARATUS, Pennock and Martin, see general heading Crucibles. 



13032. SUNSHINE RECORDER. This instrument records the duration and intensity of sunshine for 



twenty-four hours on a specially prepared photographic chart, which merely requires washing 

 in cold water to become permanent. The chart being divided into hours, an exact record ia 

 thus obtained with the minimum of trouble. Complete with divided arc for adjustment of in- 

 strument to any latitude, with 100 charts and directions for use 25.00 



13033. EXTRA CHARTS for No. 13032.. . .Per 100 3.50 



