A Century of ElectricityHoughton, Mifflin and Company, 1888 - 229 páginas |
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Página 63
... mechanical substitute for it might have been devised . But the serious obstacle in the way of the introduction and use of the electric light was its cost , and the annoyance and trouble arising out of the management of large bat- teries ...
... mechanical substitute for it might have been devised . But the serious obstacle in the way of the introduction and use of the electric light was its cost , and the annoyance and trouble arising out of the management of large bat- teries ...
Página 103
... mechanical ; that is to say , the message to be sent was first " set up " in " dots and dashes " by arranging long and short type in proper order in a line , and by the reg- ular movement of this line of type the circuit was closed for ...
... mechanical ; that is to say , the message to be sent was first " set up " in " dots and dashes " by arranging long and short type in proper order in a line , and by the reg- ular movement of this line of type the circuit was closed for ...
Página 104
... mechanical transmitter , the simple key in use to - day was substituted , by the skilful manipulation of which the operator produces dots and dashes with such regularity and ra- pidity as to leave nothing to be desired . The statements ...
... mechanical transmitter , the simple key in use to - day was substituted , by the skilful manipulation of which the operator produces dots and dashes with such regularity and ra- pidity as to leave nothing to be desired . The statements ...
Página 106
Thomas Corwin Mendenhall. of these dots and dashes , show great ingenuity and mechanical judgment . As a measure of the value of his system , compared with the English , it is sufficient to repeat that to - day it has driven nearly every ...
Thomas Corwin Mendenhall. of these dots and dashes , show great ingenuity and mechanical judgment . As a measure of the value of his system , compared with the English , it is sufficient to repeat that to - day it has driven nearly every ...
Página 161
... mechanical energy might be converted into electricity in motion , which , in- deed , was but another form of energy , capable itself of being reconverted into other varieties ; for he had shown that a current of electricity could cause ...
... mechanical energy might be converted into electricity in motion , which , in- deed , was but another form of energy , capable itself of being reconverted into other varieties ; for he had shown that a current of electricity could cause ...
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Términos y frases comunes
already Ampère appear armature arranged attracted battery beatification cable carbon cell chemical circuit coil conductor connected consists construction Copley medal copper copper plate core current of electricity dash Davy deflect device devised direction discovery disk duced duplex dynamo dynamo-electric machine effect elec electric current electric light electric telegraph electricians electrified electro-magnet electromotive force energy exhibited experiment experimental extremely fact Faraday Faraday's field flow Galvani galvanometer heat important increased induction insulated invention inventors known lamp latter Leyden jar lines of force magnetic needle means mechanical ment metals method Morse motion motor movement nearly number of lines Oersted's operation passed patent periment poles possible present principle produced rapid receiving instrument resistance rotation Royal Society science of electricity scientific signals siphon recorder stopcock successful sulphuric acid telegraph tion trans transmission transmitted tricity tube vibration wheel wire zinc