Buy this book on-line F.M. RITES, R.D. MERSHON, J.A. LIGHTHIPE, C.G. CURTIS, J. WILKINSON, H. KELLER, S.D. SPRONG, J.G. ACEVES, H.E. WARREN +++ : 1897 - 1959 USA PATENTS: EARLY ARCHIVE OF 24 PATENTS FOR ELECTRICITY, GENERATORS, TURBINES AND GOVERNORS
4to - over 9¾" - 12" tall. On offer is an old cloth-bound notebook (9"x12") containing the stored patent papers for twenty-four (24) mechanical inventions from 1897 thru 1965 with the majority in the first 20 years of the century. Documents were maintained by an aero-space firm in Massachusetts that went out of business in the nineties but whose name we do not know. Papers include diagrams, descriptions, technical data and patent info for devices that were likely issued to, purchased by or owned by the company over many years. Patents include: Governing Device for Fluid Pressure Motors, 1897 (Patent # 582,233); Method of Governing Prime Movers, 1900 (# 661, 222); Apparatus for Governing Elastic Fluid Turbines, 1904 (# 749,476); Frequency Control System, 1924 (# 1,505,158) and the Constant Frequency Alternating Control System, 1965 (# 3,178, 630). VG.. English Language. Book Condition: Very Good Click here for full details of this book, to ask a question or to buy it on-line. Bibliophile Bookbase probably offers multiple copies of F.M. RITES, R.D. MERSHON, J.A. LIGHTHIPE, C.G. CURTIS, J. WILKINSON, H. KELLER, S.D. SPRONG, J.G. ACEVES, H.E. WARREN +++ : 1897 - 1959 USA PATENTS: EARLY ARCHIVE OF 24 PATENTS FOR ELECTRICITY, GENERATORS, TURBINES AND GOVERNORS. Click here to select from a complete list of available copies of this book. Bibliophile Bookbase lists over 5 million books, maps and prints including libri antichi, libri rari, antiquarian books, incunabula and atlases. Bibliophile Bookbase for antiquarian books, maps and prints. |