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brian.m.rule241

Semaphore, clear ( Back )

very old www.ebay.com/itm/290870057504?ssPageName=STRK:MEWAX:IT&am...

 

 

I found this rather interesting

 

lighthouseantiques.net/Fresnel Lenses.htm

899 views
1 fave
2 comments
Uploaded on March 5, 2013
Taken on March 4, 2013

Semaphore, clear ( Back )

very old www.ebay.com/itm/290870057504?ssPageName=STRK:MEWAX:IT&am...

 

 

I found this rather interesting

 

lighthouseantiques.net/Fresnel Lenses.htm

899 views
1 fave
2 comments
Uploaded on March 5, 2013
Taken on March 4, 2013
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