Schematic needed TBY-2

[Tom Norris]

Need a schematic for the TBY-2.

I ran across one the other day -- and yes, the first thing I did was get
out the counter and measure its radioactivity -- .9 mR/hr right at the meter,
right around .07 mR per hour ( barely above background here) over the rest of
the front panel.  I thought all these things were supposed to be hot?

Heck, my 390A meters measure a bit over .5 mR/hr at 1/2 inch.

Survey instrument recently calibrated so these readings are correct.
( Anyone needs theirs calibrated, email me. I have NIST traceable
facilities available. Free. )


73

Tom
(Prefer a scanned schematic emailed if possible.)

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