Displaying 30 total images in this collection.

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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