Siemans Polarized Relay

Made:
1890 in London
Siemans Polarized Relay

Siemans Polarized Relay
Science Museum Group
© The Board of Trustees of the Science Musuem

Siemans polarized relay, 1890.

Details

Category:
Electricity Supply
Object Number:
Y1978.20.4
Materials:
brass (copper, zinc alloy), copper (alloy), glass, metal (unknown) and wood (unidentified)
type:
relay
taxonomy:
  • component - object
credit:
Gift of Mr Stewart