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M-OV Development Laboratory Label
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This exhibit is a development sample from M-OV. The Type designation is E1823 and we have two samples, serial Numbers 25 and 26.
The information on the paper label gives the filament as 1.4 and 2.8 Volts and this the filament is centre tapped. Above the top mica the filament tension springs can be seen.
Sample 26 with the filament voltage written on the label.
The bright anode and top mica components.
Sample 25.
The lower mica components and the pinch.
The wide glass tube envelope is 29 mm in diameter, and excluding the IO base pins is 71 mm tall.
Reference: Observation.


Absolute Maximum Operating Conditions
Updated October 11, 2015.
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