Joseph Patrick Slattery
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Joseph Patrick Slattery, CM was an Irish-born physicist, radiologist, Catholic priest, pioneer in the field of radiography in Australia and credited with the first use of fluoroscopy in Australia.
Kelso Holy Trinity Church DSC02618
Induction coil
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An induction coil or "spark coil" is a type of transformer used to produce high-voltage pulses from a low-voltage direct current supply. To create the flux changes necessary to induce voltage in the s
Antique induction coil used in schools from around 1900, Bremerhaven, Germany
Early coil by Charles G. Page, 1838, had one of the first automatic interrupters. The cup was filled with mercury. The magnetic field attracted the iron piece on the arm (left), lifting the wire out of the cup, breaking the primary circuit.
The first induction coil, built by Nicholas Callan, 1836.
Modern automobile ignition coil, the largest remaining use for induction coils