Inside Out Library · Explore

Davis's manual of magnetism : including galvanism, magnetism, electro-magnetism, electro-dynamics, magneto-electricity, and thermo-electricity (1854)

Davis, Daniel · Boston : Palmer and Hall · leaf 216

An illustration from Davis's manual of magnetism : including galvanism, magnetism, electro-magnetism, electro-dynamics, magneto-electricity, and thermo-electricity, 1854, leaf 216 — (<5> 45.) Insteadof a galvanic series, the magneto-electric machine,to be described hereafter, has been used as a sourceof electrical power for working the telegraph. Thefirst instance, it is believed, in which this was accom-plished with Morses telegraph, is given below, as anexample of… … iliiliiTiliiiliiiliiiiiliiiiiiililllihniiiiiiitiiiiiiiHiJiiiiiitiiiiiiniiuiiiiHiiiijijiiijI SIGNAL KEY. 199 317. Signal Key. — Fig. 135 represents the in-strument usually employed to make the various con- Fig, 135. tacts, diiFering in suc- cession and length,by which the systemof lines and dots,…

Magnetism · Electricity · Electromagnetic Phenomena

Internet Archive · Medical Heritage Library · Public Domain Mark 1.0. Free to use for anything.

More pictures from Davis's manual of magnetism : including galvanism, magnetism, electro-magnetism, electro-dynamics, magneto-electricity, and thermo-electricity

More like this