Memoirs of the Life and Writings of Benjamin Franklin...T. S. Manning., 1809 - Всего страниц: 519 |
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Стр. i
... electricity.- Electrical kiss . - Counterfeit spider . - Simple and commodious elec- trical machine . Observations on the Leyden bottle , with experiments proving the dif- ferent electrical state of its different surfaces . Further ...
... electricity.- Electrical kiss . - Counterfeit spider . - Simple and commodious elec- trical machine . Observations on the Leyden bottle , with experiments proving the dif- ferent electrical state of its different surfaces . Further ...
Стр. ii
... electricity of a globe of glass charged , and a globe of sulphur.- Difficulty of ascertaining which is positive and ... Electrical kite . 88 97 98 99 - 100 106 - 110 Hypothesis , of the sea being the grand source of lightning , retracted ...
... electricity of a globe of glass charged , and a globe of sulphur.- Difficulty of ascertaining which is positive and ... Electrical kite . 88 97 98 99 - 100 106 - 110 Hypothesis , of the sea being the grand source of lightning , retracted ...
Стр. iii
... Electricity of the atmosphere at different heights . - Electrical horse - race . - Elec- trical thermometer . - In what cases the electrical fire produces heat . -Wire lengthened by electricity .--- Good effect of a rod on the house of ...
... Electricity of the atmosphere at different heights . - Electrical horse - race . - Elec- trical thermometer . - In what cases the electrical fire produces heat . -Wire lengthened by electricity .--- Good effect of a rod on the house of ...
Стр. 4
... Electricity . Electrical KissCounterfeit Spider - Simple and commodious electrical Machine . SIR , Philadelphia , July 11 , 1747 . IN my last I informed you that , in pursuing our electri- cal enquiries , we had observed some particular ...
... Electricity . Electrical KissCounterfeit Spider - Simple and commodious electrical Machine . SIR , Philadelphia , July 11 , 1747 . IN my last I informed you that , in pursuing our electri- cal enquiries , we had observed some particular ...
Стр. 5
... electrical fire , and destroy the repellency . If a cork - ball so suspended be repelled by the tube , and a point be ... elec- trised so as to give a spark , the fire continually running out silently at the point . In the dark you may ...
... electrical fire , and destroy the repellency . If a cork - ball so suspended be repelled by the tube , and a point be ... elec- trised so as to give a spark , the fire continually running out silently at the point . In the dark you may ...
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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