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Mother of the Muses
Wooden Cased Trough Compass by Hilger & Watts Ltd
Half-blued steel needle on jeweled pivot
& has a compass that allows the user to check their orientation
Two electrodes leading from these lyden jars can be moved and the distance between them varied
1908 Trippensee Tellurian history Mother of the MusesPre 1923 (Trippensee relocated from Detroit), features a 3" Rand McNally Globe with Trippensee cartouche (printed, not added later). Earth is spun by engaging the improved upon, gear driven, bevel and crown gears. An incredibly scarce, functioning early model. Data plate reads 'The Trippensee Planetarium, Pat. U. S. Mar. 10, '08. The Trippensee MFG. Co., Detroit. Mich., U. S. A.' Featured in The Smithsonian National Museum of American History.
US$ 299.50
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