Titre : Annual Report of the Commissioner of Patents...
Éditeur : House of Representatives, Washington D.C.
Date d'édition : 1849
Reliure : Hard Cover
Etat du livre : Good
Thirtieth congress. second session. brown hardcover with embossed designs on front and back cover and gilt lettering on spine. there is some slightfoxing in the book and the corners are slighlty bumped. 1143 pages and plates. contents include: an abstract of the legislation in relation to patents and the patent office from 1790 -1849. Tables exhibiting the financial status/ history from the same time period. Tables showing the progress of inventions in the United States, History of principal crops that were cultivated in the nation. the Appendices: Prof's L. C. Breck's report on the analysis of breadstuff etc., Report of C. L. Fleischmann on sugar cane and its culture, with descriptions. one of the patents imcluded in the book is also that of Robert Rillieux the famous african american in the sciences with his apparatus that is still in use today another patent that we see is the Smauel Colt patent which combined a rotating chamber breech with lock. the plans for some of these patents are on fold out papaers in the back of the book.; 8vo - over 7¾" - 9¾" tall. N° de réf. du libraire 4208
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