Two-plunger 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

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

Two-plunger block instrument pattern 288, by Tyer & Company.

Details

Category:
Signalling & Telecommunications
Object Number:
1964-330/19
type:
block instrument
credit:
Tyer and Company Limited