Miners' safety lamp Finish:Stretched The Marquis Carcano and Carlo

The Marquis Carcano and Carlo Maserati at Anzano del Parco

you will see the most beautiful circles of colours that imagination can conceive

An artist copying a bust on a pedestal in the Royal Academy at Somerset House

'Prosperous John'

Other walkers stare and point

Miners' safety lamp Finish:Stretched The Marquis Carcano and CarloUnpublished 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