Solenoid Collection

Electricity (engraving)
5207057 Electricity (engraving) by American School, (19th century); Private Collection; (add.info.: Electricity. Illustration for Farrows Military Encyclopedia by Edwards Farrow)

Phonic wheel
Antique illustration of a phonic wheel invented by Poul la Cour by 1875

Compasses arranged around a coil of current-carrying wire, a type of electromagnet called a solenoid

Magnetism experiment, 1889 C013 / 8787
Magnetism experiment. 19th-century artwork of a permanent iron magnet in a form called a horseshoe magnet, placed on an electromagnet (two coils of wire around metal cores)

Early electric motor, 1834
Early electric motor. Historical artwork of one of the first full-scale, practical electric motors, one of several designed and built from 1834 by the German physicist and engineer Moritz von Jacobi

TV cathode ray tube. Components of a cathode ray tube (CRT) display for a television (TV). These are the components that are behind a TV screen

Dismantled loudspeaker. This is a device that is designed to convert electrical signals into sound waves. The two fixed components are the permanent magnet (black)

Cathode ray tube. Image 2 of 2. Demonstration showing how a beam of electrons can be deflected by a magnetic field, as seen in television cathode ray tube (CRT) displays

Electric motor coils. Coils of electrical wires (solenoids) inside a small demonstration electric motor. The connection points at left, and upper right and lower right

Ducretet apparatus, 19th century
Ducretet apparatus. This device was invented by the French instrument maker Eugene Ducretet (1844-1915). The design includes Ruhmkorff coils (solenoids)

Electrical experiment, early 20th century

Induction launcher, early 20th century
Induction launcher, early 20th-century artwork. Metal rings are being launched upwards from an electromagnetic coil using a high-voltage alternating current

Linear dynamo. The magnet (left) generates electricity if moved through the coil of copper wire (centre). This is the principle on which dynamos and all electrical generators work

Gun electromagnet, 19th century
Gun electromagnet. Demonstration of the powerful gun magnet developed by Colonel William R. King (1839-1898) in the 1880s at Willetts Point, near New York City, USA

Magnetic field of a wire around a nail
Magnetic field of wire around a nail. Iron filings on a sheet of paper after the removal of a nail and the wire wrapped around it

Magnetic field of a solenoid. Solenoid (centre) and iron filings (black) marking the field lines of its magnetic field. A solenoid is simply a coil of electrical wire

Ghost Detection Kit
Ghost detection equipment designed and built by John Cutten : wind vane - Solenoid - Cameras - Thermostat - Tape recorder - Photo-electric cell - microphone

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The solenoid, a fascinating device in the world of electricity, has a rich history dating back to the 19th century. With its ability to generate magnetic fields and convert electrical energy into mechanical motion, it has revolutionized various industries. In an engraving from that era, we see the intricate design of a solenoid with its phonic wheel and compasses arranged around a coil of current-carrying wire. This electromagnet showcases the fundamental principles behind this ingenious invention. An intriguing magnetism experiment conducted in 1889 captures our attention as it demonstrates the power of a solenoid. The image shows how this simple yet effective device can manipulate magnetic forces for practical applications. Fast forward to 1834 when an early electric motor was developed using solenoids. This breakthrough paved the way for countless advancements in technology, including television cathode ray tubes and dismantled loudspeakers which rely on these coils to function efficiently. The versatility of solenoids is evident through their presence in everyday objects like electric motors and cathode ray tubes used in televisions. These components showcase how this remarkable invention continues to shape our modern world. Even vintage apparatus such as Ducretet's contraption from the 19th century or an electrical experiment from the early 20th century highlight society's fascination with harnessing electricity through solenoids. From its humble beginnings as an electromagnetic coil arrangement to becoming an integral part of numerous devices today, the significance of solenoids cannot be overstated. Their impact on technology is undeniable, making them one of humanity's most influential inventions within the realm of electromagnetism.