This object is a crudely made metal box taller than it is wide with an open top. The box is painted khaki green. One side…
These are two long bags made of thick, transparent plastic. Both are stapled shut at the top. One (2018.ast.108.1) has a piece of light pink…
This is a small open cardboard box containing six small objects. 2018.ast.85.1 is a angled eyepiece with a eyecup at one end. 2018.ast.85.2 is a…
This object consists of a metal tube with a eyepiece-type knurled end at one end, and a broader cylindrical piece at the other. At the…
This is a brass lens or eyepiece. The tube of this lens is quite narrow, with flared ends, one of which is much broader than…
This object has a solid rectangular metal base. Mounted horizontally on top of this on a chunky curved metal support is a cylindrical microscope tube…
This is a wooden box with a hinged lid that flaps open. It contains six wooden slots. Four of these slots contain aluminum frames which…
These are two cylindrical brass optical instruments, each with an angled prism fitted inside the tube and a toothed gear around the circumference of the…
This is a pink and brown cardboard box that contains two identical small metal pieces. Each piece consists of a fine wire bent into a…
This artifact consists of a small cardboard box with a large paper label that originally contained “Astra II” spectrophotographic plates (48.1). The box contains three…