Forms of miners' safety lamp Product:Framed picture ' and in pencil lower

' and in pencil lower right 'Js Basire sc

22nd September 1988

With two additional views of Venus outside the solar disc

armoury and military store

Forms of miners' safety lamp Product:Framed picture ' and in pencil lowerPlate 5 from the paper 'Some new experiments and observations on the combustion of gaseous mixtures, with an account of a method of preserving a continued light in mixtures of inflammable gases and air without flame', by Humphry Davy, Philosophical Transactions of the Royal Society, vol. 107 (1817), pp. 77 85. Whole views and details of safety lamps including Davy's platinum wire refinements. Original: ink on paper. 1817