Show X 7 7 1177 I 1 I 1 tr I 1 7 71 M ff 1 I 1 1 1 ELECTRIC 11 I 1 POWER 0 r experiments of michael fara I 1 I 1 day UPON IN INDUCED MUC ED CURRENTS aft of the modern electric kotor motor and its it appliances 4 apropos of the movement now under underway way in oden ogden to utilize our mountain water power pomer by electrical appliances it might not be uninteresting to review lishley lish lly this wonderful and arid i science that has made such an appropriation of natures forces pos possible siLla it is a very singular fact that as early ae as COO ilc men had observed and recorded many of tins tile phenomena of electric attral tion cut but with these very import int truths for fora a basis it seems to have required upwards of 2000 yeara years for the human mind with mith ste its hen then rude methods of observation to sufficiently penetrate ite the tile mysteries of this the most subtle of natures forces to form any lucid conception of its principles or to have accumulated dita data sut sufficient me nt for any eort sort of a classified cl presentation of the subject gilbert of colchester living in the early part of the seventeenth century is accredited with being the first to systematize system atilo the facts attained lie IIA went deep enough into the merits of the science to make mal ce a tabulated list of a considerable number of what are now known as the ther electrical anil and non electrical bodies T tho tic science from this on mado wonderfully der fully rapid strides and but little LIN more than a century later ben franklin by hie his unique experiment with mith the kite m was as enabled to announce to lie file world the identity identify between the bpark from the leyden jar invented by broek and lie tile came paine phenomenon infinitely multiplied in the tile storm cloud with the rudo rude facil facilities aties at franklins disposal euch such a it discovery OV was an evidence of groat neis s almost equal to hid his immortal discover ies lea in the science of human government tho the latter was mas the germ of revolution in ili human liberty and the former the stimulus of an equally stupendous revolution in ili human achieve merits Theone the one aid said whim to him GOth go thy way unfettered unlettered into the broad world the other said open thine eyes to the greatness of nature stretch forth triine armand arm and recover the wondrous gifts eho she hold holds in store for thee atiat thit franklins discovery hid had no perceptible I 1 utility is not pertinent to the caw case it was tho the boldness and brilliancy of ins ilia conception m which constituted the usefulness of its verification immediately in tho the wako wake of franklin came ramsden len volta galvani and a host of discoverer discoverers w u hoso hose name names are still handed down as tile beacons of scientific research but it was left with faraday in tile early part of the I 1 present century to really unfold the tile wonders and immensity of the power 11 of elect rival fluid lie it was who laid the foundation for the mighty instrument which is now revolutionizing the mechanical arts and will in time up fact ct tho the whole system of industrial Indu strul appliances ances I 1 refer of course to the dynamo namo which forms our fight and ought to very eoon soon be propelling our or street can cam magnetism atys mys mr tyndall in speaking of this discovery lud had been produced froia from electricity and faraday alio a ho all hi 4 lifo life long entertained a strong belief in such reciprocal cipro cal actions act ione now attempted to effect tho the evolution of electricity from magne magnetism hound a melded wel aed iron tin rin lie placed two distinct co coils I 1 ils of P covered mire a ire causing alie coils to occupy opposite halves atthe ring connecting tile ends of one of the coils will with a galvanometer ho lie found that the moment momen the ring was magnetized by bending ridin a current through the tt other coil the galvanometer needle whirled A round tour four or five times in succession cession and on interrupting tho the current a whirl in the opposite direction occurred ho ile had in this discovered tho tile induced current I 1 so called from the tile fact that it was but a temporary movement of the electric fluid by a generated current floN flowing ving through an adjacent I 1 0 conductor and when this gp generated iterated or continuous current ij is broken tile induced current instantly returns on ita course thue thus by a continuous ot starting arting and stopping of the generated gen eMtel current ur rent tho the induced current in tho other aire mire Is caused to keep till up a continuous flowing and returning with ith each breakage in the generated 1 current and now applying thiap this principle rin i 1 to tho modern electro dynamo the mechanism of this instrument i oo 00 wrought out us as to appropriate each return current at the exact point of its reactionary movement and to cause the backa ard flow to continue in the one direction the following from froni the I 1 N Y lagin exIl lains tills this principle very I 1 beautifully imagine a common hore eshoo magnet IF or piece of aronof iron of conn connected acted will a ith an electric circuit suspended 1 pent led without contact over tho the periphery of ray pay for illustration one foot la in diameter around I 1 I 1 the entire circumference of this wheel at short and equal distances may bo be placed a fucci assion of ari armatures natures when the electric current la is in motion I 1 these armatures will have a tendency 4 to fly upward and hold tho tile lr capet in a sl very close embrace but break the current for even the tile roost most infinitesimal instant and impelled by their momen momentum tuna or gru gravity vity they will 1 fly off anil leave tho the coia iron to play ita coquet griea on soma other victim 1 tins the principle involved hare bierc c ie is the key I 1 ef of the electric motor ae as it wis wits formerly constructed and it jt still remains I 1 the basili basits of the improved devices in 1 some of the VAI carlier lier motors tho the circumference 1 of a a similar wheel say two tao V inches in IlAm Cler anti operated by K 1 the larger abe 1 I was of alternate alk I 1 ter nato sections set tiona of a conducting and t 1 1 conducting non no material and on the surdo feurt coot of tin thit I lay the point I 1 of a metallic flu finger ger when t this hii finger rebated t on a conducting L section tho the electric circuit yae was formed and the current passed I 1 through the magnet but the in inseal tint it it touched a conducing non section I 1 the current VM broken theme a condl 1 I 1 I 1 p I 1 I 1 9 11 1 1 1 1 1 I 1 eions tione being prepared trl the larger wheel wh while ile the point diat 0 of the metallic finger is 0 on 1 a condu conductor actor the curre current lit will then flow a around rou nil the magnet and instantly Inet antly tho armature feeling the impulse of attraction v will ill rush toward the point of contact bat but directly on oil its approach Hp tile birler teaches reaches a nonconductor non conductor of the smaller wheel and the current ceases cease a the tito deluded armature no longer und under ertho the influence of attraction flies onward impelled by its own momentum and allows iho 1110 joke to bo be played on tho next armature com ingup from below ae As boon soon as lie the connecting finger touches another conducting section this second armature repeats the effort of ita its predecessors with milli equal hut but with not any better success and relinquishes the alel I 1 to tha thaid ar and SO t ile play pi jy goes until tha the m wheel heel continually til gathering momentum from momentum flies like a revolving baw mw provided with mith proper gathering and graduated in ili size to adapt it to the lie labor to bo be performed it is strong enough to turn ponderous ponde rou machinery or lift tons upon tons |