Current record mode: basic


524 of 655 records      previous / next

Mullard Radio Valve Type 2D4A, by Mullard, Britain. Mid 1930s

Inventory Number: 83305

83305-2t 83305-1t

Date: Mid 1930s

Maker Details: Signed by Mullard.

Inscription: "BVA [LOGO] / PROTECTED / BY PATENTS / Mullard / 2D4A / 3D8 / Y" printed on exterior painted surface of bulb. "498 2" printed on exterior surface of base.

Size: 90 mm in overall length (including base pins)

Materials: Glass, plastic?, steel, assorted metals.


Mullard Radio Valve Type 2D4A in gold-painted vertical glass envelope. Painted surface partially flaking and damaged. Upon polished black plastic? base with five steel base pins. With BVA (British Radio Valve Manufacturers Association) stamp on painted surface.

524 of 655 records      previous / next

Record mode: Basic | Medium Images | Large Images | Documents (1)