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Belated Happy Birthday HP-35e

Two-page (45 & 46) PDF format article from Journal of the Institute of Navigation, vol. 21, no. 1, 1974, with a 94 step flowchart/worksheet for SIGHT REDUCTION (spherical triangle; navigation).

[attachment=10337]

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SlideRule

HP-35e ?

Is this a result of the aforementioned Sight Reduction???

NO e, but NOT s.

modified accordingly.

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SlideRule