تفاصيل

A-206

Telescope: Refracting

Four inch brass refracting telescope. Achromatic objective lens. Push-fit objective end cap. Wooden storage case with key lock. This is a multi-piece artifact including parts on 26/1 and on 30/3. There are also parts of this artifact on the Reserves island counter top.

"Alvan Clark & Sons, Cambridgeport, Mass. -1890-"

1890

wood, brass

United States

	Imperial(in)		Metric(cm)
Height			173.3
Width			13.2
Depth			13.2
Diameter
Circumference

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