44 ofcientific American. Also enquiries and answers from the follow ing: [ Index of Inventions Letters Patent of the United States APPLICATIONS FOR EXTENSIONS. EXTENSION GRANTED. DESIGNS PATENTED. TRADE MARKS REGISTERED. SCHEDULE OF PATENT FEES. CANADIAN PATENTS. Back Page a Hue. lnidde Page 75 cent@ a line. ENGINES. SCREWS. BOILERS. . Boors ESTUD 1856. '.:--, scientific american, 1874-07-18
44 ofcientific American. Also enquiries and answers from the follow ing: [ Index of Inventions Letters Patent of the United States APPLICATIONS FOR EXTENSIONS. EXTENSION GRANTED. DESIGNS PATENTED. TRADE MARKS REGISTERED. SCHEDULE OF PATENT FEES. CANADIAN PATENTS. Back Page a Hue. lnidde Page 75 cent@ a line. ENGINES. SCREWS. BOILERS. . Boors ESTUD 1856. '.:--, scientific american, 1874-07-18
Size: 3308px × 4722px
Location:
Photo credit: © Corantos / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: --, ., .., 1856, 1874-07-18, 44, 75, 81, american, analysis, answers, applications, boilers, boors, canadian, cent@, designs, developments, discovery, education, engines, enquiries, estud, experiment, extension, extensions, fees, follow, granted, health, hue, index, ing, insights, inventions, lab, letters, line, lnidde, magazine, marks, mind, ofcientific, , page, patent, patented, patents, publication, registered, research, sa, schedule, sciam, science, sciences, scientific, scientist, screws, states, sustainability, tech, technology, trade, united, weekly
