Polish mine detector
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The Mine detector (Polish) Mark I was developed during World War II in the winter of 1941/1942 by Polish lieutenant Jozef Stanislaw Kozacki. His design was accepted and 500 mine detectors were immediately send to El Alamein where they doubled the speed of the British 8th Army. During the war more than 100.000 of this type were produced, together with several hundred thousands of further developments of the mine detector (Mk. II, Mk. III and Mk IV). The Mine detector (Polish) Mk. III was used by the British Army until 1995.
In The History of Landmines, Mike Croll says
The Polish detector had two coils, one of which was connected to an oscillator which generated an oscillating current of an acoustic frequency. The other coil was connected to an amplifier and a telephone. When the coils came into proximity to a metallic object the balance between the coils was upset and the telephone reported a signal. The equipment weighed just under 30 pounds and could be operated by one man. The Polish detector saw service throughout the war and the Mark 4c version was still used by the British Army until 1995.
References
- The History of Landmines by Mike Croll (MRC329@aol.com), first published in Great Britain in 1998 by Leo Cooper, an imprint of Pen & Sword Books Ltd., 47 Church Street, Barnsley S270 2AS, ISBN 0-85052-268-0: Page 54:
- http://www.eurofresh.se/detector.html
- http://www.12pulkulanow.com/main_folder/Mine%20Detector.htm