Optical effects in crystalline materials under pressure Size:XL: 120 x 100cm Design of a sundial at

Design of a sundial at St Olave

and was shot at the Tower

'The Compleat trull at her lodging in Drury Lane'

Apsley House

Optical effects in crystalline materials under pressure Size:XL: 120 x 100cm Design of a sundial atPlate 9 figures 1 14 from the paper 'On the communication of the structure of doubly refracting crystals to glass, muriate of soda, fluor spar and other substances, by mechanical compression and dilatation', by David Brewster, Philosophical Transactions of the Royal Society, vol. 106 (1816), pp. 136 178. The drawings are inscribed above with publication and plate details. Not signed. Royal Society stamp verso. Original: ink and watercolour on paper.