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Graflex focal plane shutter patent number?

 
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Murray@uptowngallery.org



Joined: 03 Apr 2002
Posts: 164
Location: Holland MI

PostPosted: Thu Apr 04, 2002 2:19 am    Post subject: Reply with quote

Hello:

I need (?) ok, want to build a focal plane shutter for a large Aero-Ektar lens for a homebrew camera.

I was advised to look at the Graflex Speed Graphic shutter as a learning guide.

The patent(s) would be the most helpful thing I could read.

Can anyone tell me the patent number(s)?

Thanks



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Les



Joined: 09 May 2001
Posts: 2682
Location: Detroit, MI

PostPosted: Tue Apr 09, 2002 12:54 pm    Post subject: Reply with quote

the first Graflex to have the multi-slit shutter was the 1906 Auto Graflex so you may want to search the indicies for 1904,05 & 06 for Folmer & Schwing or William Folmer
My 1912 speed has the following dates on the drop down gg cover:

7/21/96
6/21/04
2/5/07
5/21/08
8/31/09
11/15/10
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