217
217
Germany and Austria, 1890
painted metal, wood 7 h × 11 dia in (18 × 28 cm)
painted metal, wood 7 h × 11 dia in (18 × 28 cm)
estimate: $3,000–5,000
These models demonstrate the orbital mechanics of satellite motion. Additional model measures: 13 dia x 7 h inches. Signed with metal plate to one example: [R. Brendel Grunewald-Berlin Bismarck-Allee 53]. Signed with metal plate to one example: [A. Pichlers Witwe & Sohn Wein].