Vacuum tube tester Tesla BM215

Vacuum tube tester Tesla BM215 is well know testing device used in supply shops in socialistic Czechoslovakia. For further reading you can visit pages .

Photogallery of my device during cleaning process and first mesaurment:

List of mesaurment cards is available from link . For new or some exotic types of vacuum tubes can be used online generator of mesaurment cards

Next video show mesaurment device in partialy disasembled state.