A small black plastic case, closed with a hook clasp, lined inside with purple velvet. Inside the case is a small thin flat flexible metal…
A rectangular wooden box with a slate slab top and four plastic knobs. The instrument has several dials set into the slate slab labelled. The…
Rectangular wooden box with brass fittings and two terminals on top.
A wooden base (28.9cm x 19.2cm) with a wooden box attached (12.9cm x 19.2cm; Height =33.5 cm). A wooden drawer can be removed from the…
Mountable black metal sqaure with black metal spring around the top quarter of the square. Component at bottom of square is movable.
Rotating circular glass lens enclosed within a metal inner frame which is further enclosed in wooden frame. Protruding from the inner metal frame is a…
Short brass cylindrical cap with hole through the centre, with rotating disc attached to its top surface. Disc rotates so that a series of holes…
Long glass “board” or pane with a triangular prism adhered to the board at one end with a resin. Object is set within a custom-made…
Two brass cylinders are connected via a long, narrow grey metal tube. The ‘lower’ cylinder is much wider, while the top cylinder is narrower. The…
28 pulleys of various shapes and sizes contained within a brown wooden box. Box contains ripped piece of yellow paper with writing on it. See…