Technical supply co., Scranton. [from old catalog] · Scranton, Pa., Technical supply co · leaf 298
al case each, $34.00 3545A. 3 same as 3545, but compass fitted with aluminum ring and metal altitude clinometer dial each, 48.00 SERVICE PATTERNCLINOMETER 3548. This instrument is usedin military operationsfor measuring angles ofelevation or depression.It is also of great serv-ice in the question… … 291
Engineering instruments · Drawing instruments
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