Patents can also be accessed online at
  http://www.uspto.gov
For example, a direct link to the first patent listed  is 

http://patimg2.uspto.gov/.piw?Docid=00780382&homeurl=http%3A%2F%2Fpatf
t.uspto.gov%2Fnetacgi%2Fnph-
Parser%3FSect1%3DPTO1%2526Sect2%3DHITOFF%2526d%3DPALL%2526p%3D1%2526u%
3D%2Fnetahtml%2Fsrchnum.htm%2526r%3D1%2526f%3DG%2526l%3D50%2526s1%3D'7
80382'.WKU.%2526OS%3DPN%2F780382%2526RS%3DPN%2F780382&PageNum=&Rtype=&
SectionNum=&idkey=7CAEF3564A12

There is a TIF viewer needed to view them from within a browser, but 
it is free.

Hope this helps.
Matt Considine
> A good place to start would be getting the patents for Cirkut type cameras.
> 
> Patent 780,382.  D.A. Reavill Panoramic Camera 1904
> Patent 780,406  F.W. Brehm Panoramic Cameras 1904
> Patent 776,403. W.J. Johnston Panoramic Camera 1904
<snip>
> design for 120/220 film.   Hope this has been helpful.  By the way I ordered
> my patents from  Oklahoma State University in Stillwater.   They were about
> 6 dollars each.  All the best.


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