Single wire double line block instrument

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Science Museum Group
© The Board of Trustees of the Science Museum

Science Museum Group
© The Board of Trustees of the Science Museum

Science Museum Group
© The Board of Trustees of the Science Museum

Science Museum Group
© The Board of Trustees of the Science Museum

Single wire double line block instrument, bell missing, by Tyer & Co. Ltd

Details

Category:
Signalling & Telecommunications
Object Number:
1964-330/46 Pt1
type:
instrument
credit:
Tyer and Company Limited