Hen's egg and dissected embryo Finish:10-pack Parks observations of 'ingress shewing

Parks observations of 'ingress shewing blue colour of planet and tremulous shading' during the transit of Venus

Depicting Sir Henry Picard

This is illustrated by Russell

Bangor House

Hen's egg and dissected embryo Finish:10-pack Parks observations of 'ingress shewingPlate 38 from the paper 'Observations on the changes the egg undergoes during incubation in the common fowl', by Everard Home, Philosophical Transactions of the Royal Society, vol. 112 (1822), pp. 339 356. Three figures showing the egg at fourteen days' development with the embryo opened to show the principal blood vessels and their connection to the yolk sac. Signed lower left 'Franz Bauer'. Original: watercolour on board. 1822