Drive models, Germany around 1920. a) Joh. Leinhard Heß, Nuremberg: Flywheel motor ''Dynamobil'', sheet metal, lithographed crank drive. Heavily rusted, h. 6.5 cm; b) Model worker on grinding wheel, sheet metal, lithographed, maker unknown, heavily rusted, h. 10.5 cm; c) Transmission, cast white metal/ sheet metal, painted, heavily rusted (especially base plate), maker unknown, h. 16.5 cm. Three drive models, sheet metal, Germany, ca. 1920. Strong condition lacks.

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