An oblong metal instrument with a matte black finish and a prominent dial on its upper-right face. The dial, which has a white background, has…
A grey wheeled cart supports a beige 1990s era PC with a CRT monitor and a desktop PC case with a single 3.5″ floppy drive.…
An rectangular instrument consisting principally of a green-coloured case mounted above a black bellows housed in a clear cylinder. The case has two large dials,…
A large varnished plywood box contains several kinds of components with which to construct molecular models. The box has a hinged lid that closes with…
A shallow wooden box with a hinged lid that opens with two clasps on the front, The wood is a medium brown, with a veneer…
An instrument consisting primarily of pair of sturdy PLATO spectacles and a PLATO driving circuit in a small black enclosure. A pair of spectacles with…
A pair of grey safety goggles with the lenses replaced by liquid crystal cells. The cells are mounted in place with small screws. An electrical…
A pair of translucent grey safety glasses with the lenses replaced by liquid crystal cells. The cells are glued to the glasses with clear epoxy…
A small (10 cm wide) enclosure in off-white and grey plastic with an electrical cord attached. A square opening has been cut into opposite faces…
A collection of three electronic components: 2019.ph.845.1-2: Two similar microphone array boards. These are green PCB boards with serial ports at both narrow ends. An…