| Unidentified photographer View of McAllister Brothers' Shop, Philadelphia 1860s (ca, early) Stereoview Cowan's Auctions, Inc Wes Cowan Stereoview Auction, 30 March 2015, Lot: 144 LL/58641 Interior view of McAllister Bros. Opticians shop in Philadelphia, with 11 employees and customers posed for the camera. A nice floor model Brewster viewer is featured prominently, and a sign at center advertises Stereoscopes, Microscopes, Magnifying Glasses, Opera Glasses, Hand Spectacles, Globes, Cameras, Camera Obscuras, Camera Lucidas, and Surveyors, among other items.
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