Cod eye lens under polarised light mb-code 1150974 Map with geological information shown

Map with geological information shown in colours and a vertical scale in the bottom margin

and definitely not of the highest class

the conflicts in Europe revived fears of the possibility of war with France

the churchyard and the remains of London Wall

Cod eye lens under polarised light mb-code 1150974 Map with geological information shownPlate 12 figures 1 6 from the paper 'On the structure of the crystalline lens in fishes and quadrupeds, as ascertained by its action on polarised light', by David Brewster, Philosophical Transactions of the Royal Society, vol. 106 (1816), pp. 311 317. Brewster compares the structures displayed by a fish eye lens with those of a sphere of crown glass (figure 5). The paintings are inscribed above with publication and plate details. Not signed. Royal