A rectangular metal framework, consisting mainly of welded angle iron and aluminum sheet, forms a sturdy housing for a metal instrument, a 1960s-era mass spectrometer.…
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…
An electrical assembly consisting of a cylindrical plastic platform with two circuit boards mounted along its length. The boards are joined by two connectors. At…
An assembly consisting of several circuit boards, arranged in vertical layers, separated by spacers. Three aluminum posts extend from the base of the instrument. A…
An assembly consisting of several circuit boards separated by spacers. The assembly has a roughly cylindrical form suggesting that it is meant to be mounted…
A deep blue metal case is sealed by two metal band clamps (one of which is missing). There are two ports on the rear surface…
A large (~64cm x 57cm x 57cm) grey-painted wooden case contains an electrical instrument. The case has two latches on its front face securing its…
2024.ph.879.1: A metallic grey narrow cylindrical artifact. The tapered black tip ends in a screw for attaching an antenna. The base of the artifact is…
An electrical instrument in an orange and off-white enclosure. The front face has four square dials and two rows of coloured electrical terminals. There is…
A white cylindrical instrument with a thick clear lid. A black cylindrical element is fastened to the center of the lid. The instrument is filled…