Scientific Instrument - Electromagnetic Relay Device
From the Collection of Federation University Australia Historical Collection (Geoffrey Blainey Research Centre) Federation University Australia, Mt Helen Campus Federation University Australia E.J. Barker Library (top floor) Mount Helen Victoria
- An electromagnetic relay device on a brass base plate, and mounted onto a wood base. It is covered by a removable wood-framed glass sided cage. The item has four terminal posts and an adjustable conductor mechanism.
- 12.0 x 22.0 x 13.0 cm
- ballarat school of mines, telegraphy, relay device, telegraph coding
- This item was probably acquired for, and used by, participants in telegraphy at the Ballarat School of Mines courses between 1873 and 1893.
- 22 Feb 2019 at 12:44PM