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XXXVII. An Account of the fame Tranft 
by the Reverend Mr . Richard Haydon 
In a Letter to John Bevis, M. D . 
To the Reverend Thomas Birch, D . D. Secretary ti 
the Royal Society. 
Dear Sir, 
Kead Nov. 12, TT Send you inclofed, the Reverend Mr. 
1761. Haydon’s obfervation of the late trail fit 
of Venus j and fhould have waited on you with it long 
ere now, as I promifed, but that I unluckily got a fall, 
which ftill confines me at home. I prefume this obfer- 
vation may deferve the notice of the Society, as the bed: 
circumftanced of any I have yet feen made in England : 
for feveral of the phafes are earlier than thofe at Green- 
wich, or ours at Savile-Houfe, taken with a telelcope 
of Mr. Short's, armed with Mr. Dollond’s new mi- 
crometer, and his time accurately afcertained. 
Dear Sir, 
Your mod obedient 
and affe&ionate. 
Clerkenwell-Clofe, 
Nov. 12, 1761. 
humble fervant, 
J. Bevis. 
By many comparifons of different obfervations, I 
make Mr. Haydon’s latitude to be 50° 26' 55", 
and his longitude weft of London in time* 1 6 mi- 
nutes 10 feconds nearly ; though he, from a me- 
morandum he made fome years ago, fuppofed it 
near two minutes more. 
5 
To. 
• • V* 
