Radio valve
Mullard Wireless Service Co Ltd
Category
Technological items
Date
Unknown
Materials
Glass, metal and cardboard
Measurements
110 mm (H)
Place of origin
Balham
Order this imageCollection
Erddig, Wrexham
NT 1149127.2
Summary
Radio valve - A cardboard box containing a radio valve, marked 'Mullard. The Master Valve. PM 1 (L.F). The Mullard Wireless Service Co Ltd. Nightingale Lane Balham, London SW'.
Provenance
Given by Phillip Yorke III (1905-1978) along with the estate, house and contents to the National Trust in 1973.
Marks and inscriptions
Nightingale Lane Balham, London SW'. (valve)
Makers and roles
Mullard Wireless Service Co Ltd