Miners' safety lamp sunglasses Cross sectional drawing of St

Cross sectional drawing of St Clement

and a cannon trained downwards to deter would be bill posters

Anthoni van Leeuwenhoek was elected a Fellow of the Royal Society in 1680

while various other figures raise their glasses to toast him

Miners' safety lamp sunglasses Cross sectional drawing of StUnpublished illustrations, apparently intended for the paper 'On the fire damp of coal mines, and on methods of lighting the mines so as to prevent its explosion', by Humphry Davy, Philosophical Transactions of the Royal Society, vol. 106 (1816), pp. 1 22. A slip of paper with safety lamp designs attached to a single page of text (original pagination '21'), the latter endorsed 'London Novr. 9 1815'. Original: ink on paper. 1815