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George A. Lauer (Cincinnati, Ohio)
Patent illustration for "Improvements in Picture-Exhibitors" (US Patent no. 172,328)
1876, 18 January (patented)
Illustration
Google Books
LL/82339
I'm indebted to Lee Eltzroth (Georgia Photographers Documentation Project) for bring this to my attention (Facebook, post, 1 May 2018).
Original patent: US172328A (Google Patents)
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LuminousLint 
@LuminousLint