Elements of natural philosophy : being an experimental introduction to the study of the physical sciences.

  • Bird, Golding, 1815-1854.
Date:
1839
Catalogue details

Licence: Public Domain Mark

Credit: Elements of natural philosophy : being an experimental introduction to the study of the physical sciences. Source: Wellcome Collection.

Provider: This material has been provided by The University of Leeds Library. The original may be consulted at The University of Leeds Library.

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    CHAPTER XVII. Electro-Dynamics. Oersted's Discovery . Deviation of Magnetic Bars by Electric Currents . Formula of Ampere Law of Intensity of Action Description of the Inversor . • • . Multiplier or Galvanometer . Astatic Multiplier • Action of Magnetic Bars on Conducting Wires Magnetic Properties assumed by Conducting Wires Mutual Reaction of Electric Currents Rotation of Magnets round Conducting Wires . Rotation of Conducting Wires round Magnets Vibrating Wire, between tbe Poles of curved Magnets Rotating Disks and Cogged Wheels Action of Magnets on suspended Rectangles Action of the Earth upon Rectangles De la Rive's Floating Heliacal Conductor . Rotation of a Coil of Wire Electro-dynamic Cylinder .... Induction of Magnetism by Electric Currents . Rotating Electro-magnetic Bars Rotation of Currents round each other . Ampere's Theory of Magnetism PAR. 355 356-7 358 359 360 361 362 363 364 365 366 367-8 369 370 371 372 373 374 375 376-8 379-80 381-2 383-4 CHAPTER XVII. Electro-dynamic Induction. General Conditions of Induction . . . . 385 Induction of Secondary Currents by Electricity . . . 386 of Currents by Permanent Magnets . . . 387 Temporary Magnets . . . 388 of Secondary Currents in the Primary Conductor . 389 Calorific effects of Secondary Curreuts . . . . 390 Shock from Secondary or Induced Currents . . . 391 Excitation of Currents by Revolving Discs . . . . 392 Different Forms of Electro-magnetic Machines , . . 393 Electro-magnetic Machines without Iron . . . 394-5 Electro-magnetic Machine with Permanent Magnets . . 396-8 Mode of Exhibiting the Electro-magnetic Spark . . . 399 Machine with a Temporary Electro-magnet . . . 400-1 Ampere's Theory of Magnetism . . . . 402 CHAPTER XVIII. Thermo-Electricity. Excitation of Thermo-electric Currents by two Metals . . 403 Thermo-electric Multiplier . . . . . 404 Excitation of Currents, by heating one Metal . . . 405