Mounted semiconductor diode by Philip Harris Ltd.
1960-1983
Special diode type GRD7
GEC EW99 diode
Germanium diode type GP5C
1953
Osram thermionic diode valve
1955
Marconi thermionic diode valve
1915
Double diode, type RD12Ga
Q-band detector diode
circa 1950
Diode with screw base and lateral anode-lead
Mullard Double Diode
1938
Ferranti DS6A BN diode
VX 6122 modulator overswing diode
components for crystal diode
circa 1950
STC JK100C diode
Ferranti DS6C BT diode
alloy junction diode
circa 1950
veractor diodes type SVC11
circa 1950
Marconi Osram thermionic diode valve
1935
Mullard Double Diode
VX 6102 modulator overswing diode
mixer diode VX3352
circa 1950
V.H.F. diode, type SD6/12/1.0
vx3282 and vx3289 mixer diodes
circa 1950
Marconi Osram thermionic diode valve
1930s
Thermionic diode valve
Experimental cold-cathode diode
diode components
circa 1950
Q-band detector diode
circa 1950
diode kit
circa 1950
Guard-ring diode apparatus by Unilab
1970-1979
Original Fleming diode (1904)
1904
Antique Diode
diodes CV2154
1950-1980
NU5 diode
Large diode
circa 1950-circa 1970
Commercial pattern Fleming Diode (Ediswan Make)
varactor diode
circa 1960
Tubular discharge diode
1940s
Telefunken double diode VHF
1950s