I've seen some 221's "repurposed" as radio projects of various types.
Unless it's part of a historical display, they are a very antiquated way of doing alignments, so not of much practical value anymore.



On Sunday, March 27, 2022, 06:59:52 PM EDT, Roy Morgan <[email protected]> wrote:


(Years go now) a friend put an LM out at his spot at the big Gaithersburg Hamfest. When he came back, someone had left two more to join it. I think none of them sold!

I have dug into the "needs repair" power supply here - it is Coast Guard Power Pack for LM-7 Type GF-118, 1942:

-Original iron replaced by newer non-military transformer and two chokes
-Rectifier jumpered by diodes
-One of three oil bathtub caps clipped out of service (2uF 600v)
-Two-prong line connector has line cord soldered on
-Original power outlet connector still present

This thing needs overhaul but will serve well once set right. 

Roy Morgan
K1LKY Western Mass

Hubert Miller <[email protected]> wrote:

I think hamfest price is around $10, not much more, for LM and BC-221.


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