Memoirs of the Life and Writings of Benjamin Franklin...T. S. Manning., 1809 - Всего страниц: 519 |
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Стр. 8
... American electricity as I intended : I shall only mention a few particulars more.We find granu- lated lead better to fill the phial with , than water , being easily warmed , and keeping warm and dry in damp 8 PHILOSOPHICAL PAPERS .
... American electricity as I intended : I shall only mention a few particulars more.We find granu- lated lead better to fill the phial with , than water , being easily warmed , and keeping warm and dry in damp 8 PHILOSOPHICAL PAPERS .
Стр. 9
... phial . - We light can- dles just blown out , by drawing a spark among the smoke between the wire and snuffers . We represent lightning , by passing the wire in the dark , over a china plate that has gilt flowers , or applying it to ...
... phial . - We light can- dles just blown out , by drawing a spark among the smoke between the wire and snuffers . We represent lightning , by passing the wire in the dark , over a china plate that has gilt flowers , or applying it to ...
Стр. 10
... phial , & c . sufficiently9 . f I am , & c . B. FRANKLIN . TO PETER COLLINSON , LONDON . Observations on the Leyden Bottle , with Experiments proving the different electrical State of its different Surfaces . SIR , Philadelphia , Sept ...
... phial , & c . sufficiently9 . f I am , & c . B. FRANKLIN . TO PETER COLLINSON , LONDON . Observations on the Leyden Bottle , with Experiments proving the different electrical State of its different Surfaces . SIR , Philadelphia , Sept ...
Стр. 13
... phial ( c ) . Touch the wire or the phial repeatedly with your finger , and at every touch you will see the thread instantly attracted by the bottle . ( This is best done by a vinegar cruet , or some such bellied - bottle . ) As soon as ...
... phial ( c ) . Touch the wire or the phial repeatedly with your finger , and at every touch you will see the thread instantly attracted by the bottle . ( This is best done by a vinegar cruet , or some such bellied - bottle . ) As soon as ...
Стр. 14
... phial on wax ; take a wire ( g ) in form of a C , the ends at such a distance when bent , ( as that the upper may touch the wire of the bottle , when the lower touches the bottom : stick the outer part on a stick of sealing - wax ( h ) ...
... phial on wax ; take a wire ( g ) in form of a C , the ends at such a distance when bent , ( as that the upper may touch the wire of the bottle , when the lower touches the bottom : stick the outer part on a stick of sealing - wax ( h ) ...
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appear atmosphere attracted boat body bottle bottom charged chimney clouds cold common condensed continue cork balls degree descend discharged distance draw earth effect elec electric fluid electric matter electrical fire electrified electrised electrometer equal experiment fall feet finger Florence flask force FRANKLIN funnel give glass globe glass tube greater heat height hook hygrometer iron John Pringle KINNERSLEY lightning magnetic Marly-la-ville melted metal moisture motion move natural quantity needle negative non-electric observed particles pass perhaps PETER COLLINSON phial Philadelphia piece plate pointed rod positive present prime conductor quantity of electricity rarefied receive repelled repulsion rising river round Royal Society salt seems ship shock side smoke sometimes spark spout stream stroke suppose surface thermometer thick threads tion touch tricity upper vapor vessel warm water-spouts waves whirl whirlwind whole wind wire wood