Mullard Radio Valve PM4

Mullard PM4 #2.JPG
Mullard PM4 #3.JPG
Mullard PM4 Valve.JPG
Mullard PM4 Box & Valve.JPG

Title

Mullard Radio Valve PM4

Subject

Valves

Description

For power amplification
3.7 volts

Creator

Mullard

Publisher

Mullard

Date

1925-

Relation

Museum Catalogue No. 334a

Format

10.5 x 5 x 4.5 cm

Language

English

Identifier

Museum Catalogue No. 334

Coverage

UK
Europe