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 566
o one another, the higher may the In-ftrument be erecSed ^ there being no other guide forIts true Elevation but this. ^ And becaufe tlie ri^ht underftanding of this par-ticularis one of the principal Matters that concernsthe ule of this Engine, therefore I ftall endeavourwith Brevity and… … AN DLfe Let A B reprefent a Cylinder with two perfedRevolutions in it, unto which Cylinder the Perpen-dicular Line C D is equal : The Bafis D E being fup-pofed to be double unto the Compafs or Circumfe-rence of the Cylinder. Now it is certain, that theAngle C ED, is the fame with that by which…
Science · Plurality of worlds · Mechanics · Cryptography
Internet Archive · Duke University Libraries · Public Domain Mark 1.0. Free to use for anything.
