[Photography]. PATÉ, M. Éd

Application de la Photographie à la Topographie Militaire. Notice sur la Planchette Photographique de M. A.te Chevallier ... avec l'Indication des Méthodes Connues de Topographie qui s'appliquent à cet Appareil ... Suivie du Rapport fait à la Société de Géographie ... par M. A.ne d'Abbadie [cover title]

Paris, Librarie Militaire J. Dumaine ... et chez l'Inventeur, 1862.

Octavo, 32 (last blank), 16 ('Rapport ... par M. A. d'Abbadie') pages with a small illustration in the first item plus (in the second item) a leaf of diagrams, a very large folding plan with four inset illustrations, and a frontispiece comprising an original albumen paper photograph (134 × 90 mm) of the device, laid down on a printed mount.

Original printed blue wrappers slightly creased, with the head of the spine a little bumped throughout; trifling insect damage to some top and bottom corner tips, and a few creased corners at the rear; an excellent uncut copy, with d'Abbadie's 'Rapport' entirely unopened. On the title page, the printed address of Chevallier ('impasse de Saxe') has been ruled out and replaced in manuscript with the address printed on the front cover (41 rue Mazarine). Printed on the inside front wrapper is a 'Note de l'Inventeur'; on the outside rear wrapper there is a list of three works from the same publisher.

Auguste Chevallier's ingenious photographic plane-table produced a disc-shaped horizontal panorama by means of a rotating lens. Comparing images taken at different vantage points allowed the surveyor accurately to calculate distances and heights as with a regular plane table, but with less room for human error in taking observations. This publication comprises two testimonials for the invention.

Item #114866

Price (AUD): $1,500.00
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