[time-nuts] [OT] degausing
brooke at pacific.net
Sat Apr 17 17:54:02 UTC 2010
The needles on a magnetic compass have a weight to counter the magnetic
force in the vertical direction that otherwise would tilt the needle to
the point that it would rub on the compass card or cover glass. In N.
California the magnetic field in the vertical direction is about twice
the field in the horizontal plane.
Magnus Danielson wrote:
> Craig S McCartney wrote:
>> No, we did not think of that at the time. A good idea, but if it worked
>> the customers at the trade show would have had to stand on their heads
>> to see the picture properly.
> Well, besides that it would be fun to see, it would at least have been
> a good test to clear out if it was broken or just not adjusted.
> I would assume that near equator would be another trimming.
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