Gelfman Nixie-One

Nixie tubes

Some of You may remember gadgets with such tubes in the 1980s.  These tubes were used as numeric displays in early digital voltmeters,  frequency counters and other types of equipment.

The idea was to insert the craziest smallest tubes from the USSR in a watch case. Two glass tubes for hours indication first and after 1 second for minutes.

Photo credit:  Ariel Adams

Photo credit: Ariel Adams

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