Digest of United States patents of air, caloric, gas, and oil engines, 1789-1905, chronologically arranged under two hundred and five subdivisions ..
Book digitized by Google from the library of Harvard University and uploaded to the Internet Archive by user tpb. Vols. 1-2 and 3-4 paged continuously I-II. Plates.--III-IV. Claims.--V. Index Mode of access: Internet
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