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model steam engine
A model steam engine is a small steam engine built as an educational toy for children (in which case it is also called a toy steam engine) or for adult live steam enthusiasts. Between the 18th and early 20th centuries, demonstration models were also in use at universities and engineering schools, frequently designed and built by students as part of their curriculum.〔http://www.mne.psu.edu/history/ME/chapter1.html〕
Model steam engines have been made in many forms by a number of manufacturers, but building model steam engines from scratch is popular among adult steam enthusiasts, although this generally requires access to a lathe and/or milling machine.〔Hasluck, p. 10〕 Those without a lathe can alternatively purchase prefabricated parts.〔Hasluck, p. 21〕
==History==
In the late 19th century, manufacturers such as German toy company Bing introduced the two main types of model/toy steam engines, namely stationary engines with accessories that were supposed to mimic a 19th-century factory, and mobile engines such as steam locomotives and boats. Later, especially in the early 20th century, steam rollers, fire engines, traction engines and steam wagons began to appear. At the peak of their popularity, around the mid 20th century, there were hundreds of companies making steam toys and models. Today, companies such as Wilesco (Germany), Mamod (UK), and Jensen (US) continue to produce model/toy steam engines.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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