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Includes unidentified instruments from all collections. Once an instrument is identified, remove it from this collection.
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 foam taped onto the exterior of the package). On the inside of each package is visible some equipment, including two cylindrical pink pieces, a cylindrical [Read More...]
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 (both the tube and the support are parts of a repurposed microscope). Added to one end of the tube there is an additional cylindrical piece [Read More...]
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 base. The prisms appear to fill most of the cylinder and are parallelogram shaped, with diamond-shaped, angled end faces. Each lens has threads on the [Read More...]
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 small brass-like metal components of unknown purpose. 48.2 One of these pieces is a flat piece of metal with a curved shape. 48.3 Another piece [Read More...]