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US Patent: 780,406
Panoramic Camera
Patentee:
Frederick W. Brehm (exact or similar names) - Rochester, Monroe County, NY

USPTO Classifications:
396/24, 396/341

Tool Categories:
photographic apparatus : cameras

Assignees:
Rochester Panoramic Camera Co. - Rochester, Monroe County, NY

Manufacturer:
Rochester Panoramic Camera Co. - Rochester, Monroe County, NY

Witnesses:
David A. Reavill
George D. Reed
D. Pompoms
L. B. Baker

Patent Dates:
Applied: Oct. 17, 1904
Granted: Jan. 17, 1905

Patent Pictures: [ 1 | 2 | 3 | 4 | 5 | 6 ]
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Description:
Abstract:

My invention relates to panoramic cameras and its objects are to effect improvements in the construction and arrangement of devices for raising and lowering the lens; for moving the camera with respect to its center of revolution; for starting and stopping the revolving camera; for supporting, adjusting, and rotating the supply -roll; for supporting, locking, and rotating the feed-roll, including the particular form of motor employed; for locking the two camera-boxes together and for opening the door in the exposure-passage; for automatically closing that door before the boxes can he separated; for indicating the box movement in degrees during any revolution or given portion thereof and to provide an adjustable auxiliary cushion-stop for the revolving hox; for securing the propelling-pin- ion upon its shaft; for clamping the film upon the feed-roll and for gaging its position vertically thereon, and to produce a folding ground-glass screen having indicating-marks whereby the image may he located with respect to the width of the film, and to fashion a removable film-box having an exposure-passage disposed with relation to the folding ground glass.

Claim:

In a camera, a ground-glass plate divided into portions pivotally connected with each other and adapted to fold one portion upon another.

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