Technical supply co., Scranton. [from old catalog] · Scranton, Pa., Technical supply co · leaf 367
ANEROID BAROMETERS For Measuring Heights and Atmospheric Pressure … 4205 4210 4200. Watch size, gilt case, If inches diameter, silvered-metal dial, revolving altitude scale, 8,000 feet, in morocco case each, $13.50 4202. Same as No. 4200, but superior quality and scale 3,000 in 10divisions, compensated for temperature, in roan leather oc-tagonal case each, 21.00…
Engineering instruments · Drawing instruments
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