Triplett 631 AAAA adapter

by svschmitt.

2 layer board of 4.06x1.80 inches (103.02x45.72 mm).
Shared on August 14th, 2016 21:44.

These PCBs are for battery packs to power a Triplett 631 vacuum tube voltmeter.

Three PCBs replace two XX15 batteries.

For more information, see

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