The Pioneer Bubble Sextant - Mark 5, Pt 2

Creator: Office Of Information Pentagon Bldg

Format: 16mm

Sound: sound

Description: Shows how to use the Pioneer Bubble Sextant AN-5851, Mark 5 with the averaging device and explains the practical use of the sextant for sun and star observations.

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Original permalink · Record added: 2023-02-27 05:14:26