Technical supply co., Scranton. [from old catalog] · Scranton, Pa., Technical supply co · leaf 285
3310 … 3309 CLAMP HANDLES For attaching to any part of a long steel tape, thus enabling one toadapt it to any desired length. Brass, nicely nickel plated.3308 Price each 75 cents TENSION HANDLES For applying the exact tension at which a steel tape is standard.Brass, nickel plated.3309. Indicating tension…
Engineering instruments · Drawing instruments
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