OF METEOROLOGICAL INSTRUMENTS. 



53 



no 



oo4- 



9C 



80- 

 70-i 

 6C- 

 50-- 

 4C- 

 N 

 120 



no- 1 

 ice '- 



90-1 

 SO = 

 70 

 60 

 50- 

 40 

 30-fe 

 20 

 



A 



? 





Fm. 262. 



FIG. 266. 



FIG. 254. 



MANUFACTURING AND VATTING THERMOMETERS. 



247. Manufacturing Thermometer, for determining the temperature of oil, tallow, 



stearine, etc., the scale in copper case about 14 inches long, ranging from 

 212 to 660, and furnished with a long projecting copper tube for the pre- 

 servation of the lower part of the stem, about 4 feet below the scale 



2 10 



248. Ditto, as above, if five feet below the scale . . . 2 15 



**# Extra lengths at prices increasing in proportion. 



249. Vatting Thermometer, for brewers and sugar refiners, with hard wood frame and 



metallic scale, range 30 to 212 (or as required,) projecting 3 feet below scale 



180 

 250. VATTING THEEMOMETEE, as above, 4 feet below the scale . 1 12 Q, 



