LABORATORY SUPPLIES AND CHEMICALS 



247 



3707 



3707(a) 



3707 PORTABLE PYROMETER, Hoskins. Type P. A., for temperatures from 

 200 to 2500 F. (100-1370 C). A practical laboratory and shop 

 instrument of special value in connection with furnace operations, as 

 it enables definite knowledge of chamber temperatures. This is the 

 smallest and lightest high-grade portable pyrometer made. The case 

 is aluminum, finished in black enamel. Over-all dimensions of this 

 meter are Q l /$ inches by 6 inches by 3 inches, and the weight is only 5 

 pounds. Scale arc 5 l /2 inches. Highest grade movement. See table 

 below for standard scales. With standard scale, without thermo- 

 couple $40.00 



3707(a) PYROMETER, Hoskins, with wall indicating meter. This meter is es- 

 sentially the same as No. 3707, except that it is enclosed in a round 

 aluminum pot for wall mounting. It is best adapted for permanent 

 pyrometer installations. Diameter of pot, 6 inches by y/z inches deep. 

 Scale arc, 5J4 inches. Black enamel finish. See table below for stand- 

 ard scales. With standard scale, without thermo-couple 40.00 



3707(b) THERMO-COUPLES, Low-Resistance. 



*18-inch Standard Length. 



Couple handles 



Flexible Leads, 16 B. & S. Gauge, 10, 20, 25 or 30 ft. long. 



.$1.00 

 . 2.00 



