Ferranti DS6A BN diode
Ferranti DS6C BT diode
Mullard Double Diode
1938
GEC EW99 diode
STC JK100C diode
Double diode, type RD12Ga
V.H.F. diode, type SD6/12/1.0
Mounted semiconductor diode by Philip Harris Ltd.
1960-1983
alloy junction diode
circa 1950
diode kit
circa 1950
veractor diodes type SVC11
circa 1950
vx3282 and vx3289 mixer diodes
circa 1950
Osram thermionic diode valve
1955
Marconi Osram thermionic diode valve
1935
Special diode type GRD7
Germanium diode type GP5C
1953
VX 6122 modulator overswing diode
Mullard silicon 4-layer diode BA148
Experimental cold-cathode diode
VX 6102 modulator overswing diode
Mullard Double Diode
diode components
circa 1950
Q-band detector diode
circa 1950
mixer diode VX3352
circa 1950
components for crystal diode
circa 1950
Marconi thermionic diode valve
1915
Q-band detector diode
circa 1950
Original Fleming diode (1904)
1904
Large diode
circa 1950-circa 1970
Guard-ring diode apparatus by Unilab
1970-1979
Antique Diode
Commercial pattern Fleming Diode (Ediswan Make)
NU5 diode
diodes CV2154
1950-1980
varactor diode
circa 1960