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LVIII. Ohfermtions of the Tranfit of V enus 
over the Sun, 07 ^ June 3, 1769 ; and the 
Eclipfe of the Sun the next Mor 7 iing\ 
made at Eaft Dereham, in Norfolk, by 
the Rev, Francis Wollafton, F, R, S, 
FxtraSied from fo 7 ?ie Letters addrejfed 
to the Rev, Nevil Mafkelyne, F, R, 
a?id jT^ronotner Royal, 
ReadDec. 21, H E telefcope I ufed was a redeflor 
1769. of Short’s, of 1 2 inches focus, with 
a power that magnifies about 55 times. My clock 
was made by Holmes. It efcapes dead feconds, has a 
pendulum with a wooden rod, and is firmly fafiened 
to a flack of chimnies in the room where I obferve. 
1 had lately received it from London, and regulated 
’ It by tranfits of the Sun arid liars, taken with a tranfit 
inllrument of a peculiar kind (defcribed at the end of 
this account) ; and alfohy equal altitudes of the Sun, 
taken with another inflrCiment pf my own make. By 
feveral tranfits of the Sun and fixed flars, obferved in 
the latter end of May and the beginning of June, I 
found I had brought it to go at the rate of mean folar 
time very nearly, i. e, lofing but i" in 14 days; and 
by tranfits of the Sun, it appeared to be i'^,5 too flow 
for mean time, on the third of June. But by a hlean 
