1886 heliograph instruction manual from UK from the smecc archives!
ed sharpe
esharpe at USWEST.NET
Tue May 13 01:53:06 EDT 2003
http://www.smecc.org/heliograph_-_signaling_by_the_sun.htm
we have a unit like this at the museum on display in the mill-com display... ours is a few years newer though.
let me know if there is any other good info out there.
Thanks Ed Sharpe archivist for SMECC
Please check our web site at
http://www.smecc.org
to see other engineering fields, communications and computation stuff we
buy, and by all means when in Arizona drop in and see us.
address:
coury house / smecc
5802 we palmaire ave
glendale az 85301
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