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How about the E6B's wind vector calculating elements? Those pieces are on the reverse side of the slide rule bits.

https://en.wikipedia.org/wiki/E6B

Still no, an analog computer is an electronic computer which uses varying voltages and currents to calculate results. It's not the same as a manual computer.

Analog computers need not be electronic. They can be mechanical (e.g. https://en.wikipedia.org/wiki/Digi-Comp_I) or hydraulic (e.g. https://en.wikipedia.org/wiki/MONIAC), too.

(Generic entry point: https://en.wikipedia.org/wiki/Analog_computer)

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