An instrument composed of several squat metal cylinders on a flat metal base. Three metal hooks, secured by springs to the base, pull downwards on…
A metal optical instrument with a sturdy grey-painted base. At the lower central part of the base is a positionable mirror for directing light into…
A steel instrument vaguely resembling a clothing iron. The instrument has a handle covered in black plastic. The handle has a metal key hanging from…
A cardboard box contains a number of elements used in chemical testing and analysis. These include boxes of analyser tubes from Gastec in Japan. In…
A metal stand holds two glass instruments. Each instrument is long, narrow, and made of glass. Each instrument consists of an inner section and a…
A long and narrow glass instrument consisting of an inner section and a glass outer jacket. A tube at the top of the instrument leads…
A long and narrow glass instrument consisting of an inner section and a glass outer jacket. A tube at the top of the instrument leads…
A brown plastic case with a brown plastic handle on its top surface contains a grey and black instrument. The larger part of the instrument…
A black plastic box contains a red and black sound level meter. The meter (Quest Electronics Permissible Sound Level Meter, Model 215) has red sides…
A white cardboard box, printed with black and red lettering, contains a number of long glass ampules (smoke tubes). The tubes are held vertically within…