PHILADELPHIA 
Caboratorp Cbermomcters 
140 J 
]|30 
120f 
=110 
lOOl 
Iqo 
80 1 
170 
60 i 
iso 
Mi 
130 
oi 
iio 
20_| 
No. 2256 No. 2258 No. 2262 No. 2262 No. 2266 No. 2268 
2256. Laboratory Wall Thermometer, oak back, porcelain scale magni- 
fying tubes. 
• $2 00 
1 25 
2258. Six's Re8:isterm8: Thermometer, maximum and minimum, heavy 
plate glass, with arms for attaching 
^"^^ $3 50 
2260. Self-Regfistermg: Maximum Thermometer, for incubators, 6 inches 
long, graduated extremely accurately in one-tenths 20° to 50° C 
; ' ■ $4 00 
2262. Floating: '^Dairy'^ Thermometer, common grade, paper scale 
Small, each c/^ oi- 
L^"-^^' 75 
2164. Thermometer, with long contracted stem for taking temperatures 
of milk, etc., in bottles or open vessels 
^^'^ $100 
2266. Earth Thermometers, for " Nitragin " and other experiments with 
bacteria in the soil. 
Standard grade lo-inch metal scale thermometers, mounted on turned wood frame, 
with brass pointed bottom, each '^2 50 
