[GreenKeys] Here Is mechanism

[Jon N5MHI]

Here are a couple short videos of my M19 WRU answerback/Here Is.
Mine is a Western Union Branded / Teletype Model 19.
https://www.youtube.com/watch?v=xO5oosPcK8w

Close-up:
https://www.youtube.com/watch?v=cTlXsSGdkek

-Jon N5MHI
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