Electric light

1860 Journal of the Franklin Institute  
Steam ldammer--EIeetrie Liyl~t. 119 years were allowed for experiments b.efore a 'stlpply' was demanded. It would appear that a great deal is still to be done on this subject, and that we are only now ~t the commencement of vast improvements ia the manufacture of cast iron an(] cast steel." ]Z:e~raorc[inar?/ Steam 1Jammer.
doi:10.1016/0016-0032(60)91031-0 fatcat:zmkxcn7mbfg3tglpgsyblf2zei