Early 1907 Trippensee Tellurian

Earliest pictured model. Polished spun-brass sun. Early-style lithographed calendar dial. Features a 3" Rand McNally globe, with paste-down Trippensee cartouche overlaid. 5/8-inch diameter compass. Maple planetary arm (17"), standard, and base under spun-brass plate. 5-inch diameter spun brass sun, 14" tall.

Earth is spun by engaging a rubber cone on inner ring of serrated metal bowl (friction-drive mechanism indicative of early model). One of Trippensee's first chain-driven devices.

Nickel-plated cast-brass Data plate reads 'Trippensee Planetarium, Patent Allowed Aug 16, 1907, The Trippensee Manufacturing Company, Mich., U.S.A.'