The mathematical and philosophical works of the Right Reverend John Wilkins ... to which is prefix'd the author's life, and an account of his works (1708)
Wilkins, John, 1614-1672, Pre-1801 Imprint Collection (Library of Congress), George Fabyan Collection (Library of Congress) · London, Printed for J. Nicholson [etc.] · leaf 440
e employed in the Motion of the Weight,an<inone fpent in the Suftaining of it.^^, The chief Inconvenience of this Inftrument is,that in a Ihort Space it will be fcrewed unto its fulllength, and then it cannot be of any further Vfe forthe Continuance of the Motion, unlefs it be re-turned back,… … forth* Compofure of whicli, inftsad of the Fe-male ^6 JllCHIMED ESi or, Lib. I. leisured iti^tic, or Concave Screw, there muft be a li^flcin lome whdel with fome Notches in it, equivalent to Teeth,^ ^^^ by which the other may take hold of ic, and turn itfound, as in thele other Figures. This latter…
Science · Plurality of worlds · Mechanics · Cryptography
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