Mounted semiconductor diode by Philip Harris Ltd.
1960-1983
Mullard silicon 4-layer diode BA148
Special diode type GRD7
GEC EW99 diode
Osram thermionic diode valve
1955
Diode with screw base and lateral anode-lead
Ferranti DS6A BN diode
Mullard Double Diode
1938
Double diode, type RD12Ga
Germanium diode type GP5C
1953
Marconi thermionic diode valve
1915
Q-band detector diode
circa 1950
Ferranti DS6C BT diode
alloy junction diode
circa 1950
Marconi Osram thermionic diode valve
1935
VX 6102 modulator overswing diode
components for crystal diode
circa 1950
Thermionic diode valve
Marconi Osram thermionic diode valve
1930s
veractor diodes type SVC11
circa 1950
vx3282 and vx3289 mixer diodes
circa 1950
STC JK100C diode
V.H.F. diode, type SD6/12/1.0
VX 6122 modulator overswing diode
Experimental cold-cathode diode
mixer diode VX3352
circa 1950
Mullard Double Diode
diode kit
circa 1950
diode components
circa 1950
Q-band detector diode
circa 1950
Guard-ring diode apparatus by Unilab
1970-1979
Original Fleming diode (1904)
1904
diodes CV2154
1950-1980
Large diode
circa 1950-circa 1970
Antique Diode
Commercial pattern Fleming Diode (Ediswan Make)
Telefunken double diode VHF
1950s
Tubular discharge diode
1940s
varactor diode
circa 1960