Collection: Science & Technology

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Berger Geodetic Level U.S. Coast and Geodetic Survey Precise Level Plain Transit Complete Engineers' and Surveyors' Transit #1 Complete Engineers' and Surveyors' Transit #2 Tachymeter #1 Tachymeter #2 Tachymeter #3 Tachymeter #4 Engineers' Transit No. 1M Surveyors' Transit No. 1S No. 5 1/2 Engineers' and Surveyors' Transit

Sub-categories of Science & Technology — • Astronomy • Chemistry • Popular Science Magazine • Tools of Industry