Huge Machlett Kenotron
.
|
Type No. 8094/199. Dating
probably to the early Thirties. 25”(63cms)
long. 6”(15cms)
diameter. Cylindrical
anode. 3-strand
spiral filament. 2 small
gettering rectangular metal frames visible inside the filament end of the
tube. (See
x-ray views above) |
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