[GreenKeys] Crank handles?

[W2HX]

I'm at fair radio. There is a box of these.  What machine are they for?  Anyone need?

Sent from Nine<http://www.9folders.com/>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mailman.qth.net/pipermail/greenkeys/attachments/20240515/57a40bc2/attachment-0001.html>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: 20240515_133658.jpg
Type: image/jpeg
Size: 1289095 bytes
Desc: 20240515_133658.jpg
URL: <http://mailman.qth.net/pipermail/greenkeys/attachments/20240515/57a40bc2/attachment-0001.jpg>