Interested in wheel charts and volvelles? Please join the Vintage Wheel Charts group and add any examples you'd like to share!
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For another version of this wheel chart, see
Outer Space Guide.
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Outer Space Guide
Instructions: Find desired planet on this wheel. Set it opposite arrow on bottom piece. In windows provided find answers.
Diameter in miles. Period of revolution around sun. Mass (Earth = 1.00).
Sun, Mercury, Venus, Earth, Moon, Mars, Jupiter, Saturn, Uranus, Neptune, Pluto.
