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Valve Gallery -
Rare And Unusual Valves (4)
Valves: E1148
(VT-232), E1T, GC10.
 
| Shown above is a Philco E1148, also coded
VT-232 This was made by Philco in the U.S.A. Makes use of two
top caps. Height of 89mm. |
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Shown above is an E1T gradient counter from
Mullard. Upside down so the densely populated base may be seen,
though the graduated display with numerals visible on the glass envelope
can be seen. Florescent coating extended to indicate increasing numerical
value. Holland made, height of 83mm. |
 
| Shown above is another counter, this time the
GC10. This produces a series of dots that can be illuminated in
sequence at varying speeds to continuously circle as movement.
Height of 103mm I.O. base. |
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Positioned as the viewer would see the device in
equipment. Would have been used in test or counting equipment, I
seem to remember this example was a spare for a scaler. U.K.
manufactured. |
Continue to the next Rare
And Unusual Valves gallery page
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