by Lieut. Thomas Drummond [of the Royal Engineers]
London, Royal Society, 1830.
an original paper presented to the Royal Society and printed in their Transactions, in which the author proposes the use of jets of oxygen and hydrogen to ignite a ball or cylinder of lime.
Various experiments established that the light produced was of sufficient brilliancy, but economy was not in its favour [not to mention sounding highly dangerous], and with Drummond's employment preventing him from continuing with his experiments, the invention was never fully developed or put into practise
4to. 16 pages + a fine folding engraved plate.
off-set to the plate, otherwise in good clean condition in a smart modern hardback binding