File:Account of the Transit of Venus Over the Sun's Disk, as Observed at Norriton, in the County of Philadelphia, and Province of Pennsylvania, June 3, 1769. By William Smith, D. D. Provost of the College (14584255649).jpg

Identifier: philtrans05179676 (find matches)
Title: Account of the Transit of Venus Over the Sun's Disk, as Observed at Norriton, in the County of Philadelphia, and Province of Pennsylvania, June 3, 1769. By William Smith, D. D. Provost of the College of Philadelphia; John Lukens, Esquire, Surveyor-General of Pennsylvania; David Rittenhouse, A. M. of Norriton; And John Sellers, Esquire, One of the Representatives in Assembly for Chester County; The Committee Appointed for That Observation, by the American Philosophical Society, Held at Philadelphia, for Promoting Useful Knowledge. Communicated to the Said Society, in Behalf, and by Direction, of the Committee, by Doctor Smith; And to the Royal Society of London, by Nevil Maskeline, B. D. Astronomer Royal
Year: 1769 (1760s)
Authors: Smith, W. Lukens, J. Rittenhouse, D. Sellers, J.
Subjects: Proceedings of the Royal Society of London Philosophical Transactions of the Royal Society
Publisher: Royal Society of London

View Book Page: Book Viewer
About This Book: Catalog Entry
View All Images: All Images From Book
Click here to view book online to see this illustration in context in a browseable online version of this book.

Text Appearing Before Image:
^K^t^ ^^e. ^/^€^ m^ Se^. # .¥ .V, ^ J 16 fS /4 13 72 // 10 1 £l i ^ SoUjL Mii^s, TrmtslU.Zm/IAl^:xr,j^, e^//.
Text Appearing After Image:
.^. ^^ /Aa^a/i/ieafei/y ^m/y^i^l^V^^u^j ^I/^i/ey (y^f^ui^ t/f>fctr ^MfA^ ( 3 ) *^ Suns, and to the left hand of that line, as feen through my telefcope, which inverted. See Tab* XV. fig* I.—About the fame time, the Suns lightbegan to fpread round Venus on each fide, from the^^ points where their limbs interfered each other, as islikewife reprefented in fig. i. As Venus advanced, the point of the pyramidftili grew lower, and its circular bafe wider, untilit met the light which crept round from the points** of interfedtion of the tw^o limbs: fo that when** half the Planet appeared on the Sun, the otherhalf was entirely furrounded by a femicircularlight, bell: defined on the fide next to the body ofVenus, which continually grew brighter, till the:** time of the internal contact. See fig. 2. Imagination cannot form any thing more beau-** tifully ferene and quiet than was the air during the*^ whole time 5 nor did I ever fee the Suns limbmore perfeftly defined^ or more free from anytre

Note About Images