A Rectangular Mirror from Case for Reflecting Circle, Early 19th Century

Item type: Object
Makers: RAS
Primary inscriptions: "RAS S No 20" painted on front. "S.20. 11in. Refl 9" Circle. 46." printed on paper label on front.
Physical material: copper alloy; Glass
Object type: Telescope
Dimensions: Height: 43mm Width: 41mm Depth: 36mm Weight: 57g
Inventory No: 77862

Description

A rectangular mirror in a thick frame and with a semi-circular section attached at a 90° angle.