Harvard camera by Mason from Boston (1890). All tin camera for single shots on glass plates. With meniscus lens in brass, and provision for a viewfinder. Camera shows the usual ware. Very interesting camera and included is a developed glass negative in the camera. Camera had to be loaded in the darkroom. This is an earlier version of the camera we sold a few weeks ago. (negative turned possitive for viewing only) Like on most of these the paint on the tin is worn.