The Scientific American reference book; a compendium of useful information for inventors and mechanics, containing the complete patent laws of the United States ... forms for patents, caveats, assignments, licenses, and shop rights ... etc., etc (1876)
New York, Munn · leaf 37
copper wire, has been ascertainedby Wheatstone to be two hundred andeighty-eight thousand miles in a second. Parties sending models to The Scien-tific American office, on which they de-cide not to apply for Letters-Patent, andwhich they wish preserved, will please toorder them returned as early as… … SCIENTIFIC AMERICAN ESTABLISHMENT. Thirty years ago the present proprietors of TheScientific American assumed its publication, andunder tlieir care it lias become one of tlie lights ofthe world. Its hoivi fide weekly edition is nearly50,000 copies. It is the cheapest and best illustratedweekly…
Patents
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
