Terrestrial globes with equators, poles, eliptics and quadrants Size:L: 70 x 70cm The crowd of onlookers includes

The crowd of onlookers includes a policeman on the far right

To the left a potman emerges from a tavern ( the Grapes

was an exciting performer

'The London Bathing Season'

Terrestrial globes with equators, poles, eliptics and quadrants Size:L: 70 x 70cm The crowd of onlookers includesPlate 6 figures 1 6 from the paper "Demonstrations of the late Dr. Maskelyne's formulae for finding the longitude and latitude of a celestial object from its right ascension and declination; and for finding its right ascension and declination from its longitude and latitude; the obliquity of the eliptic being given in both cases", by Abram Robertson, Philosophical Transactions of the Royal Society, vol. 106 (1816), pp. 138 148. Original: ink on paper.