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The telescope, used for viewing the planet, was made by Mr. Dollond, with a triple object glass of 33.3 inches focal distance, and was found by experiment to magnify 54 times. The clock was firmly fixed; its pendulum rod was made of wood. The transit telescope was not accurately adjusted either to the meridian or horizon, but the transits of the Sun and of n Bootis registered below are sufficient to show the rate of the going of the clock, and the corresponding altitudes of the Sun, its error a few days before the transit of the planet; whence the necessary reduction of the time then shewn by the clock to apparent time may be easily derived.

XXXII. Observations made at Leicester on the transit of Venus over the Sun, June 3, 1769