Nixie tubes made by Tesla of the former Czechoslovakia

ZM1040 <p>The ZM1040 was made by many manufacturers, with slight differences in internal construction between them. This one was made by Tesla.</p>
ZM1042 <p>This model was made by several manufacturers, each with slightly different internal construction. This is the un-coated version of the ZM1040.</p>
ZM1080T <p>The ZM1080T is a medium sized nixie tube made by Tesla in the former Czechoslovakia</p>

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