KTD power amplifier

Made:
1918 in Germany
KTD power amplifier

KTD power amplifier
Science Museum Group
© The Board of Trustees of the Science Musuem

KTD power amplifier valve in box

Details

Category:
Radio Communication
Object Number:
Y7001.978
Materials:
glass, metal (unknown), plastic (unidentified) and cardboard
Measurements:
overall: 102 mm x 50 mm x 42 mm,
type:
triode valve and thermionic valve