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Re: SR Information wanted about an old slide rule
He might want to check with the Royal Navy. They were very interested
in determining longitude, and the appearance and
disappearance of the moons of Jupiter were investigated for that and
for efforts to determine the speed of light.
At 01:02 AM 7/9/2009, you wrote:
>A friend of mine, Prof. Rod Home, is seeking information about an
>18th C special purpose slide rule, as outlined in the following
>message. Can anyone help? The message makes an interesting read in itself.
>Bruce Sandie
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