Tiny Magnet With A Big Pull
Horseshoe magnets used to be popular with children. They were fascinated by the way they lifted pins and similar small objects, and the more adventurous would der monstrate the lines of force with a sheet of paper and iron filings Progress has been made in the magnet world with new alloys and improved design. Magnets, incorpating nickel, aluminium, copper and other elements in addition to the original steel have been forged; and now comes one claimed to have unusual holding powers. This permanent magnet, little bigger than a bar of chocolate, has a pull of about forty pounds and will support a heavy coal shovel with only its sharp edge touching the magnet. Circular in section, because this is a more efficient way of concentrating the magnetic flux, this new magnet will have many uses in industry and in the home—among the latter being a device for holding trays securely by the bedside.
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https://paperspast.natlib.govt.nz/newspapers/BPB19490117.2.30
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Bay of Plenty Beacon, Volume 13, Issue 42, 17 January 1949, Page 5
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159Tiny Magnet With A Big Pull Bay of Plenty Beacon, Volume 13, Issue 42, 17 January 1949, Page 5
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