تفاصيل

A-207

Lens: Achromatic

Large achromatic lens mounted in brass ring. Edge chipped in several places. Threaded inner rim. Brass screws.; There is a large brass ring with a large glass lens. TF 12/97.\n \n Small piece located in Outer/34/6

Unsigned.

glass, brass

United States

	Imperial(in)		Metric(cm)
Height			4.1
Width			24.8
Depth			24.8
Diameter
Circumference

	Imperial(in)		Metric(cm)
Height
Width
Depth
Diameter