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Title: Two foot, boxwood slide rule by Troughton and Simms for trig [Go to resource]
Description: Two foot, boxwood slide rule by Troughton and Simms for trigonometrical and astronomical calculations in connection with declination and North Polar distance License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Subjects: slide rules (trignometry)
slide rules (astronomy)Source: Science Museum Creator: Troughton & Simms Identifier: 1948-83 Go to resource More Like this...
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