du moncel count (8 resultados)

Hardcover. Condición: Good. First Edition. 277pp. Burnt orange cloth, burgundy lettering. 70 illustrations. Front hinge exposed. rear cover and spine significantly discolored. Internally clean, unmarked text. "The first English edition of a work originally published in Paris in 1878, this book is an important early contemporary account of the gestation of three important and interrelated inventions. Heavily documented and supported by valuable engraved illustrations, most of Count Du Moncels work is devoted to telephones. He discusses telephone development and competing systems as well as describing the experimentation taking place during the period of Bell's 1876 patent application. Briefer attention is given to the initial stages of microphone technology and information is included about Edison's phonograph." Size: Octavo. Book.

Cloth. Condición: Fair. Estado de la sobrecubierta: No Dust Jacket. First American Edition. 277 pp + ads. Illus 74 figs. Authorized translation with additions and corrections by the author. Small octavo. With ownership inscription of C. H. Sewall, Secretary of the Albany District Telegraph Co. (May 1880) and stamps and signature (1916) from the scientific library of E. A. Faller, a patent attorney. The Count du Moncel was a French aristocrat who became a dedicated scientific explorer and inventor, whose main discovery was the foundation for Edison's carbon transmitter. However, his chief work was writing about electrical science and in this book, he summarizes all the knowledge to date (1879) available on the telephone, microphone and phonograph (unaccountably leaving out the first inventor of the telephone, Reis. ) Beautifully illustrated with figs. Demonstrating the technical aspects of the science. Dark gold cloth covers are worn and damp-lightened at front/back edges. Spine is darkened but legible, spine tips chipped away. Interior Victorian brown endpapers fragile with price sticker scar, scientific library stamps to a number of pages, hinges cracking, binding bit fragile, pages clean with just occasional foxing, one page has old clipping shadow. A fragile copy but one with nice provenance. ; Ex-Library; 8vo - over 7¾" - 9¾" tall; 277 pages.

The Telephone, the Microphone and the Phonograph by Count du Moncel. Authorized translation with additions and corrections by the author. Published by Harper & Brothers, Franklin Square, New York, 1879. Illustrated with 70 engravings on wood. First American Edition. A remarkably well-preserved nineteenth-century scientific and technological work covering the early development of the telephone, microphone, and phonograph during one of the most transformative periods in communications history. An important contemporary account from the dawn of electrical audio technology, richly illustrated throughout with detailed period diagrams and engravings. This copy is exceptionally clean and attractive for its age. Binding remains solid and secure, with clean, well-preserved endpapers and crisp interior pages. Only occasional light foxing is present from age. Covers show mild wear at the head and foot of the spine along with slightly bumped/bent corners, but overall the book presents beautifully. The illustrations are especially sharp and striking. A highly desirable volume for collectors of early science, telecommunications history, electrical engineering, or Victorian technology.

Hardcover. Condición: Very Good. First Edition. Hardcover in original dark gold cloth boards. First American edition (not stated) . "Authorized translation, with additions and corrections y the author, with 170 illustrations on wood. " Book is crisp and clean, with tight binding and sharp corners. Spine is darkened but title is still somewhat legible. Light wear to corner tips and edges of boards. Interior pages unmarked and unblemished. Technical drawings throughout. A nice copy. 8vo. 277 pp. Including appendix plus a one-page listing of other scientific books from the publisher.

8vo, 363pp, with black and white illustrations. A good hardback copy with wear and tear to boards, slightly sunned spine, one split to head of spine, some bumps and marks. Tanned fore edges. Binding canted and pages waved. Previous owner's signature in light pencil.

Paperback. Condición: Brand New. 126 pages. 7.25x5.00x0.32 inches. This item is printed on demand.

Condición: Very Good. Kegan Paul, Trench, & Co. London 1882 Binding: Hardcover 70 illustrations. red cloth with snag to crown of spine. spine is darkened. vg-.

Paperback. Condición: Brand New. 364 pages. 7.25x5.00x0.91 inches. This item is printed on demand.