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Geometric Model by A. Harry Wheeler, Measurment of a Spherical Angle
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Geometric Model by A. Harry Wheeler, Measurment of a Spherical Angle

Wheeler, Albert Harry · paper (overall material)

From the collection of National Museum of American History. Free to download, adapt and use — no permission needed.

About this work

This cut paper tan model consists of two pieces showing circular discs with a projecting tangent plane at the top, as well as a paper ring of the same diameter. The ring fits in the intersecting discs to show how one measures a spherical angle. Two stickers read: MSA*. Another mark reads: Pat 1,192,483.

National Museum of American History’s own description
Subjects
ModelsMedicine and Science: Mathematics
Credit lineGeometric Model by A. Harry Wheeler, Measurment of a Spherical Angle. Wheeler, Albert Harry. National Museum of American History, Gift of Helen M. Wheeler. CC0.
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