A Copper Alloy Tube 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: Diameter: 24mm Height: 54mm Weight: 26g
Inventory No: 77862

Description

A copper alloy tube about half the length of 77862.2 with an eyepiece at one end and four slits at the other end.