Ernst Plank Duplex Toy Steam Engine

Description (Brief)
This toy steam engine was manufactured by the Ernst Plank Company of Nuremburg, Germany during the early 20th century. The toy consists of dual horizontal boilers driving dual vertical oscillating engines that are connected to a single shaft moving two flywheels.
Ernst Plank founded his company in Nuremburg, Germany in 1866. The company was well known for manufacturing a variety of metal toys like steam locomotives, stationary steam engines, early photography equipment, and magic lanterns until its dissolution in 1935.
Currently not on view
date made
ca 1900
place made
Physical Description
tin (overall material)
flywheels - from catalog card: 2 3/4 in; x 6.985 cm
tin stack - from catalog card: 11 5/8 in; 29.5275 cm
base - from catalog card: 8 in x 12 in; x 20.32 cm x 30.48 cm
overall: 13 1/4 in x 8 in x 12 in; 33.655 cm x 20.32 cm x 30.48 cm
ID Number
catalog number
accession number
Credit Line
Bequest of the Estate of Greville I. Bathe
See more items in
Work and Industry: Mechanical and Civil Engineering
Engineering Steam Toys and Models
Engineering, Building, and Architecture
Family & Social Life
Data Source
National Museum of American History


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