A three-stepped wooden box sitting on a somewhat broader rectangular wooden base. The two top ‘steps’ of the box are relatively large, and the first…
A metal cylinder with paddles on opposite sides. The paddles can move left or right of the central position. There is a handle on top.…
This object consists of two parts, a box and a lightbulb attached by a wire. The metal box has sides perforated by circular holes. There…
A rectangular wooden box with a top and base that are slightly broader than the sides. On the top of the box, there is a…
The Titrimiter consists of two components that attach through plugs: a control interface and the titrimiter. The first component is a silver metal colour, with…
2009.ph.17.1 This is a narrow tube of glass with black rubber or plastic caps on either end; these are lined with what appears to be…
A tall brass removable cylinder topped by a long, narrow, 20 cm brass cylindrical projection. The cylinder is mounted on a circular base supported on…
A metal tripod stand with an optical device mounted on it. The device is made of a rectangular metal box with a viewfinder at the…
A long glass tube with a chamber at one end. The tube curves back around to form a six-looped coil ending in a flared glass…
A narrow glass tube, closed at both ends.