Science: Claghorn Compass

Senator Claghorn, the unreconstructed Southerner who refuses to use a compass because it points north, can now take his constitutional in the deepest woods. General Electric has a new compass which points east and west. The needle is made of silmanal—a new alloy of silver, manganese and aluminum—which can be magnetized across its width instead of lengthwise, as standard compass needles must be.

But silmanal has more important work to do. Its strong resistance to demagnetizing influences—such as strong electrical fields—makes it useful in electrical control equipment.

Other new permanent magnets:

¶ Cunico (copper, nickel, cobalt) and cunife (copper, nickel, iron), used...

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