Experiments and observations on electricity : made at Philadelphia in America (1751)
Franklin, Benjamin, 1706-1790, Collinson, Peter, 1694-1768, Jefferys, Thomas, d. 1771, engraver, DeMarsh, Eric E., former owner. DSI, Burndy Library, donor. DSI · London : Printed and sold by E. Cave, at St. John's Gate · leaf 29
ave been fold within thefe four months part. D axis i8 Mr B. franklins axis there is a fmall handle, with which we turn the fpherelike a common grindftone. This we find very commodious,as the machine takes up but little room, is portable, andmay be enclofed in a tight box, when not in ufe. Tis… … LET- Letters on Electricity* 19 LETTER in. FROM Mr Benj- Franklin^ in Philadelphia^ t o Mr Pe TER CoLLINs oN, F* R. S* London, Farther Experiagents ^;^^Observationsin ELECTRICITY, 5 7i?, 1748. § I. ^TpHERE will Idc the fame exploiion and fhock,A if the electrified phial is held in one hand by…
Electricity
Internet Archive · Smithsonian Libraries · Public Domain Mark 1.0. Free to use for anything.