This piece consists of a rectangular brass plate secured in the center to an iron arm and base with a screw-tightened clamp. This clamp is…
This instrument has a cylindrical brass casing with flat glass cover. The face consists of a dial with brass centre and a silver-coloured indicator needle.…
This object is a wooden box containing controls for the ‘Auto Camera’ (item 2009.ph.118). An inverse plug in the top right hand corner reads “Mains…
This is a prism stand with a glass prism seated on it. The prism is a non-isosceles right-angle triangle (likely an Abbe prism) and is…
A black turned wooden base with a glass tube apparatus mounted on it. The glass tubing is approximately 25cm tall with a 3.5cm projection from…
A piece of glass consisting of various tubes and bulbs. At one end, there is a roughly cylindrical bulb connected on its side by a…
This artifact has a circular bakelite base with three knurled brass leveling screws as feet. On the top of the base there are 3 brass…
This object consists of a wooden base with two sets of four glass tubes, leyden jars, filled with a reddish substance mounted vertically in a…
A glass tube, spherical, about 9cm in diameter. An elongated 5cm tube projects from the side holding an electrode.
A large black square base topped by an arc-shaped scale behind a glass window. The bottom of the top face has a glass bubble through…