1961 US Navy STAR FINDER & IDENTIFIER Model #2102-D HYDROGRAPHIC Office

Description

1961 US Navy STAR FINDER & IDENTIFIER  Model #2102-D HYDROGRAPHIC Office (Basic principle employed by Rude & Collins with later
{1961}
modifications)
"This Star Finder & Identifier is designed to portray geographically the approimate altitude & azimuth of the 57 numbered stars listed in the Air & National Almanacs, and other celestial bodies that may be plotted on the star base. The complete unit consists of 9 altitude-azimuth templates (blue-line), meridian angle template (red-line), dual star base (black-line), and instruction sheet..." (See pics)
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