Displaying 30 total images in this collection.

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	Berger Engineers' Dumpy Level		Berger Engineers' 18 Inch Wye Level		Berger Complete Engineers' and Surveyors' Transit No. 1C
	Berger Complete Mine Transit No. 4		Berger Complete Mine Transit No. 4K		Berger 14 1/2 Monitor Type Dumpy Level (Tubular Bar)
	Berger 15 Monitor Type Dumpy Level		18 Inch Monitor Type Wye Level		Berger 18 Monitor Type Wye Level (Tubular Bar)
	Engineers' 18 Inch Wye Level		Hydrographer's 18 Inch Wye Level		C.L. Berger and Sons' Precise Level