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



315 



No. 7796. No. 7797. 



No. 7800. 



No. 7808. 



No. 7810. 



HYDROMETERS, Sugar, Brix Scale, highest quality, graduated in i{ divisions, for use at 

 "C. Length, about 12 inches. 



B C 



6-12 12-18 



2.50 2.50 



J K 



48-54 54-60 



No A 



Range, degrees Brix 0-6 



Each $2.50 



No H 



Range, degrees Brix 42-48 



Each 2.50 



D 



18-24 



2.50 



L 



60-66 



E 



24-30 



2.50 



M 



66-72 



F 



30-36 

 2.50 



N 



72-78 



G 



36-42 

 2.50 



O 



78-84 



2.50 



2.50 



2.50 



7774. 



7776. 

 7780. 

 7782. 

 7786. 



7790. 

 7794. 



7796. 



7797. 

 7800. 



7808. 

 7810. 



2.50 



HYDROMETERS, Sugar, Brix Scale, medium grade, graduated in 

 17% C. Length, about 11 inches. 



No 



Range, degrees Brix 0-30 



Each 75 



2.50 



2.50 



divisions, for use at 

 A 



B C 



30-60 60-90 

 .75 .75 



HYDROMETER, Sugar, Brix Scale, highest quality, for waste and wash water. Graduated from 

 5 to +5 in 1^0 divisions, for use at 17%C. Length, about 11 inches 2.50 



HYDROMETER, Syrup, Balling Scale, highest quality, for eanners and confectioners. Gradu- 

 ated from to 70 in 1 divisions. Length, about 11 inches 1.65 



HYDROMETER, Syrup. Baume Scale, medium grade, graduated from to 50 in 1" divisions. 

 Length, about 11 inches 50 



HYDROMETERS, Twaddle Scale, highest quality, graduated in % divisions. Length, about 11 

 inches. 



No 1 2 3 4 5 6 



Range, degrees Twaddle 0-24 24-48 48-72 72-100100-134134-180 



Each 1.65 1.65 1.65 1.65 1.65 1.65 



HYDROMETER, Varnish, Baume and Specific Gravity Scales, highest quality with enclosed ther- 

 mometer, graduated from 80 to 10 Baume in 1" divisions and from 0.666 to 1.000 in 0.005 

 divisions. Length, 17 inches 5.80 



HYDROMETER, Vinegar Solidimeter, Baume Scale, highest quality, graduated from 0" to 6" in 



% divisions. Length, about 11 inches 1.65 



HYDROMETER JARS, see Cylinders. 



HYDROMETER, Nicholson, constant volume. Of brass, about 27 em long over all, neatly 

 finished 1.50 



HYDROMETER, Nicholson-Fahrenheit, constant volume. Of glass, about 12.5 cm long. 2.00 



HYDROTIMETER, Bourdon & Bourdet's, for the determination of hardness of water by means 

 of soap solution. Consists of a burette on foot with scale of hardness marked on, sample . 

 flask for shaking graduated up to 40 cc, boiling flask with mark at 125 cc, with directions 

 for use 3.60 



HYGROMETER, Simple Form, for indicating approximately the amount of moisture in the air. 

 In nickel-plated case 2% inches in diameter and % inch deep, with, beveled plate glass cover 

 and celluloid dial graduated from 30 to 100 per cent 3.00 



HYGROMETER, Hair. Scale denotes the humidity of the air without reference to tables. In 

 brass case, 3 inch dial '. $7.50 



