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Complete catalog and price list (1900)
Technical supply co., Scranton. [from old catalog] · Scranton, Pa., Technical supply co · leaf 209
HARD-RUBBER RAILROAD CURVES—ContinuedOf Hard Rubber With Tangent … 2150 2150. Hard-Rubber Railroad Curves, with Tangent, forty-one in set markedin degrees and inches to 100 feet scale, viz., 0°30 = 114.59 inches r30 = 57.30 inches r 15 = 45.84 inches 1°30 = 38.20 inches 1°45 = 32.74 inches 2° 00 = 28.65 inches 2° 15 = 25.47 inches 2° 30 = 22.92 inches 2° 45 =…Engineering instruments · Drawing instruments
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