Mark 2 handheld telephone transmitter, patented by Alexander Graham Bell and made by the Silvetown Telegraph Works in 1880.
Details
- Category:
- Telecommunications
- Object Number:
- Y1976.10
- Materials:
- wood (unidentified) and metal (unknown)
- Measurements:
-
overall: 157 mm 73 mm,
- type:
- telephone component
- credit:
- Gift of Dr D. J. Lea
