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Heathkit
TC-3 tube checker - U.S.A. - 1959. It is an interesting intrument, still
useful becouse it contain inside the rolling chart with many tubes data.
No worries to not get the data chart if you find an ol item to buy, all
the data are available simply rotating a pair of knobs. The tube checker
works properly after a quick passage with a contact cleaner spry on all
the contact & switches. Below in my page you can download a copy of the
TC-3 schematics. The case and the internal chassis are made in
aluminium. Power requirements: ac line 110 V. Dimensions: 33 x 21.6 x 14
cm.
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