Miners' safety lamp Finish:Single 973 kph) was achieved

973 kph) was achieved

the pulmonary artery and smaller details such as nerves systems

View of the Tower of London

London 30th January 1963

Miners' safety lamp Finish:Single 973 kph) was achievedPlate 1 from 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. Safety lamp designs and details comprising figures 1 8 of the published plate, in a variant order. Figures 9 11 which appeared on the published plate are not present. The work is inscribed with publication and plate details. Not signed.