Re: How were annunciator panels signwritten?
Quote:
Originally Posted by Bookman
If you were to walk into an old power station control room...
...Most items with the exception of electrically operated semaphores and indication lights had hand or type written miniature cards that dropped into an appropriate receptacle.
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Like this one, you mean?
__________________
Regds,
Russell W. B.
G4YLI.
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