Lijst van lantaarnplaatjes (between 1906-1913)

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MAGNETISM and electricity. 23 <M Magnetic needle attracted by bar magnet. til ll»g-^uaa and his loadstone rock. Pepper. UB Electric chronograph. i» Bright's Bells. i<C Ha of resistance coils. (tt Digram of relay and local circuit. M Machinery, &c., making the Atlantic electric cable. til Machinery for taking the electric cable on board the Great Eastern. ((( Stowing .the cable in the hold of the Great Eastern. W Breaking of the Atlantic electric cable on board the Great Eastern. W Preparing for the final attempt to grappla the lost cable. 44T Buoys and grapnels used to recover the Atlantic electric cable. M£ Receiving messages from the Great Eastern in the instrument room at Valencia. 449 Jamins’ magneto-electric machine. 460 Electro dynamometer, -with Helmholtc'a arrangement of coils. 451 Peltier’s Electroscope. 452 Thomson’s replenisher. 453 Marey’s modification of Lippman's electro- meter. 454 Dewar’s modification of Lippman’s electro- meter. 455 Halley’s first magnetic map. Date 1700. 450 Jablochkoff’s electric candle and lantern. 457 Jablochkoff’s electric candle, arrangement for holding the candle. 455 Jablochkoff’s electric candle, diagram of lamp, machine and shunt. 459 JablochkoiFs electric candle, the automatic shunt. 460 Gramme’s portable electro-magnef ic machine with locomotive. MAGNETIC CURVES. Photographed from the Actual Figures made with Iron Filings, by Professor S. P. THOMPSON. D.Sc. Ml Magnetic curves of bar magnet. td Magnetic curves of horse shoe magnet. (83 Magnetic lines of force of single pole. (51 Curves of attraction of two magnets. <32 Curves of repulsion of two magnets. (53 Two parallel magnets attracting. 467 Two parallel'magnets repelling. (38 Tines of force of dissimilar poles. (C9 Lines of force of similar poles. 470 Horizontal section of electro-magnet. (71 Tinea of force of electro magnet. (72 Action of magnetic field on a small magnet. <73 Circular lines of force round a galvanic current. (7 < lines of force of current in horizontal wire. Magnetic field of a looped conductor. STt Field of two parallel attracting currents. (JT Field of two parallel repelling currents. ♦rt Attraction of two parallel horizontal currents. 439 Repulsion of two opposed parallel current*. 450 Magnetic field of oblique currents. 451 Field of horizontal and vertical currents. 452 Lines of force of current deflecting a needle. 453 Stable position of needle near vertical currents. 454 Neutral position cu needle near vertical current. 495 Unstable position of needle near vertical current. 486 Field of force of a galvanometer. 487 Field of magnetic needle in a circuit. 488 Field of magnet attracting current. 4S9 Attraction of North pole into a simple circuit. 480 Repulsion of South mle out of a simple circuit. 491 Mutual rotation of current and magnet pole. 492 Spiral field of magnet rotated by current running through it. 493 Converse spiral field of South pole rotated by current running through it. SOUND. lYopogation of apnlse or wave experimen- tally shown. <?* IYopai Ration of sound frofli a bell to the ear. (frfl Bell struck in vacuum. (57 Propagation of a pulse or wave in a tube. < 45 Speaking tube mouth-piece and whistle. (® The invisible woman. The horn of Alexander. OjB Speaking trumpet in the merchant service. Cc 3 Ear trumpets. Stethoscope (Konig’s). Ganot, 187, 188. Reflection of sound, diagram. Ganot, 135. 6* Reflection of sound. Echo. 6*jC Inflection of sound. W Reflection of sound by an elliptical roof. Echo with seven repetitions, t® Variation of echoes 510 Refraction of sound. 511 Diagram of refraction by a sound lens. 512 Experiment to ascertain the velocity of sound in air. 613 Experiment to ascertain the velocity o! sound in water. 614 Gyroscope producing series of taps ear musical sounds. 515 Savart’s toothed wheel experiment. 618 Bavart’a apparatus for producing low tones. 617 Rocking fire-shovel experiment. 518 Trevelvan’s Rocker. 619 Beebeck’s Svren. 620 Disc of Eeebeck’s Syren with nine pipes. 621 Musical sound produced by tuning fork. 622 Simple method of showing vibration of tuning fork.