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Mechanical wooden model 3D Model
The universal genius and “father of Swedish mechanics” Christopher Polhem (1661-1751) created the so-called mechanical alphabet in the years just before 1700. The collection initially consisted of 31 wooden models illustrating the physics and mechanics fundamentals and were intended to serve as an educational tool in teachings at the Laboratorium mechanicum that Polhem established in 1697. After the death of Christopher Polhem the collection continued to serve as a didactic instrument when it became part of the Swedish Royal Model Chamber, predecessor of the Royal Institute of Technology (KTH). Over the years, the collection of models expanded and in 1925 it was deposited at the newly established National Museum of Science and Technology. Today, the collection consists of approximately 424 models from different periods, some are currently on display at the Technical Museum.