Velvet-lined cardboard valve-box inscribed "MULLARD: THE MASTER VALVE"

Velvet-lined cardboard valve-box inscribed MULLARD: THE MASTER

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Velvet-lined cardboard valve-box inscribed MULLARD: THE MASTER
Science Museum Group
© The Board of Trustees of the Science Museum

Velvet-lined cardboard valve-box inscribed "MULLARD: THE MASTER VALVE", and "for Radio: 1926-1927"

Details

Category:
Electronic Components
Object Number:
1985-40
type:
valve-box
credit:
Harley, S.G.