Lightning conductors, Volume 45 |
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Common terms and phrases
166 Tomlinson's Thun Abbé Nollet Académie des Sciences Arago Becquerel Benjamin Franklin Blitzableiter Blitze brass cathedral caused chimney Church Climate of London clouds Compt conductivity constructed copper damaged Builder derstorm destroyed discovery ductor earth connection edifice Effects of Lightning electric conductivity electric discharge electric force Elektricität England erected Europe fastened feet Ferentino flash France galvanometer Gent.'s Mag Gewitter ground inch in diameter insulated investigators iron rods July June l'Electricité Leyden jar lightning conductors London Marly-la-Ville masses of metal MELSENS nature ning Paratonnerres Paris Phil Philadelphia pipe placed powder magazines Professor Pouillet protection against lightning Purfleet Rend result roof Royal Society scientific Set on fire ships Sir William Snow Slightly damaged soldered spire steeple stroke of lightning struck by lightning surface terminal rod thick thunderstorm tion Tonnerre tower Trans tube Ueber wall Watson William Snow Harris wire
Popular passages
Page 63 - So Solomon overlaid the house within with pure gold: and he made a partition by the chains of gold before the oracle; and he overlaid it with gold. And the whole house he overlaid with gold...
Page 29 - It has pleased God in his Goodness to Mankind, at length to discover to them the Means of securing their Habitations and other Buildings from Mischief by Thunder and Lightning.
Page 16 - But since they agree in all the particulars wherein we can already compare them, is it not probable they agree likewise in this ? Let the experiment be made.
Page 13 - Spirits, at the same time, are to be fired by a spark sent from side to side through the river, without any other conductor than the water; an experiment which we some time since performed, to the amazement of many.
Page 13 - A turkey is to be killed for our dinner by the electrical shock, and roasted by the electrical jack, before a fire kindled by the electrified bottle, when the healths of all the famous electricians in England, Holland, France and Germany are to be drank in electrified bumpers under the discharge of guns from the electrical battery.
Page 199 - ... feet into the ground till it came to moist earth ; but, this being a case of the greatest importance, we are of opinion, that greater precaution should be taken. Therefore we would advise, that at each end of each magazine a well should be dug in or through the chalk, so deep as to have in it at least four feet of standing water.
Page 166 - ... building. If the mill were then struck with lightning, it would remain charged for some time, and a person standing on the ground outside and touching the wall might receive a shock, but no electrical effect would be perceived inside, even on the most delicate electrometer. The potential of everything inside with respect to the earth would be suddenly raised or lowered as the case might be, but electric potential is not a physical condition, but only a mathematical conception, so that no physical...
Page 12 - I never was before engaged in any study that so totally engrossed my attention and my time, as this has lately done ; for what with making experiments when I can be alone, and repeating them to my friends and acquaintance, who, from the novelty of the thing, come continually in crowds to see them, I have, during some months past, had little leisure for any thing else.
Page 13 - A turkey is to be killed for dinner by the electrical shock, and roasted by the electrical jack, before a fire kindled by the electrified bottle ; when the healths of all the famous electricians in England, Holland, France, and Germany, are to be drunk in electrified bumpers, under the discharge of guns from the electrical battery.
Page 167 - ... rain-water pipes. In the case of a powder-mill it might be advisable to make the network closer by carrying one or two additional wires over the roof and down the walls to the wire at the foundation.