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[ 423 ] 
been made ufe of, and no pains fpared for afcertain- 
ing that material point, in which I hope I have fuc- 
ceeded, as well as in making the other neced'ary ob- 
fervations j and fliall be happy if they meet' with 
your approbation, and in any way tend to aflifl in. 
determining the grand point in queftion. 
My fituation for obferving the tranfit, and making, 
the previous obfervations, was extremely advantage-, 
ous; all of which were made within hearing of the 
clock, which was a good regulator, fixed up in the 
Round Tower a fortnight before, by permiffion of 
the Governor, his Grace the Duke of Montagu ; 
who was fo obliging, upon my worthy friend Captain. 
Alexander Schomberg’s application to him, by letter,, 
in both, our names, immediately to give his confent, 
with flridl. orders to his fervants to take care that we 
were not difturbed in making our obfervations, par- 
ticularly on the day of the tranfit ; which orders, 
were moft pundually obeyed ; nobody being ad- 
mitted into the Round Tower on that day but our- 
felv.es, , and two others, as affiftants to watch the 
clock ; viz. the Reverend Dodor Boftock, Canon of 
Windfor, and the Reverend Mr. James Townley, 
Head-mafler of Merchant Taylors School 3 both 
gentlemen acquainted with the nature and ufe of 
aftronomical obfervations. 
The regulator was fixed truely perpendicular, and 
well faflened to the wall and floor of the room where 
the tranfit was to be obferved, and. obfervations 
made on its rate of going for feveral preceding days, 
both by Captain Schomberg, an officer, well ac- 
quainted with aftronomical obfervations, and my- 
felf 3 by which we found that it loft at the rate of 
twenty 
