[Milsurplus] RT-70/GRC Question

[Jack Antonio]

Thanks to all.

A 331 it is, and the local
electronic store had some in
stock.

But the bulb type number certainly wasn't
in the RT-70 manual (TM-11-290).

Thanks again to all who replied.

Jack

Jack Antonio WA7DIA
scr287 at sbcglobal.net



Mike Morrow wrote:
> Jack asked about the RT-70/GRC:
> 
> 
>>What type of bulb is used for the dial light?
> 
> 
> I wrote:
> 
> 
>>I can't find my notes for my AN/GRC-7 right now, but I'm
>>pretty sure the RT-70 uses a Type 331 lamp, available from
>>Fair Radio.
> 
> 
> I checked my AN/GRC-7 manual (TM 11-284, May 1953) and page 29 verifies the above.  It specifies GE type #331 (1.35v, 60 mA).
> 
> Such bulbs are available for $8 each at:
> 
> http://www.donsbulbs.com/cgi-bin/r/b.pl/331~general-electric.html .
> 
> But the best price appears to be Fair Radio Sales, at 5 for $6.50, or 10 for $11.00:
> 
> http://www.fairradio.com/catalog.php?mode=search&query=331-ML&submit.x=21&submit.y=11
> 
> Other manuals on this series of radios cite the bulb as being a Mazda #331.
> 
> Mike / KK5F
> 
> 
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