Titlebook: Explorations in the History of Machines and Mechanisms; Proceedings of HMM20 Teun Koetsier,Marco Ceccarelli Conference proceedings 2012 Spr

Cardiac

Suggestions

Structural Synthesis of the Ancient Chinese Zhuge Repeating Crossbowed on the analysis of the mechanism, the structural characteristics and design constraints of this device with uncertain members and joints are concluded. Then, according to the concepts of generalization and specialization subject to the concluded design constraints, eight feasible structures of me

旧石器

Clocks and Dials with Automata: The Mosaic of Qasr El-Lebyach has been convincingly recognized as a sundial. On the basis of the study of Alexandrian automata, it can be argued that this figure is a moving statue. In fact, clocks and dials, often associated with animated statues, were part of the ingenious inventions of Alexandrian engineers since the Ptole

Encephalitis

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anthropologist

Compass

https://doi.org/10.1007/978-3-322-91601-3ign of King Sejong (世宗 r. 1432-1438). Jang devoted himself to making five kinds of astronomical instruments and ten timekeepers. In this paper the life and contributions of Jang are introduced along with his major invention: the striking clepsydra. This paper also discusses how the clepsydras were h

Inclement

Elemente des Acoustic Branding,namics of Machines of RWTH Aachen University in order to celebrate the 50. anniversary of its foundation. For this purpose the author of the current paper investigated into the history only in order to find out that the 50. anniversary was only partly true and “institutional” mechanism theory could

圆锥

Einsatzfelder von Corporate Architecture,chnische Hochschule (TH) Berlin-Charlottenburg, there was a row of intermediate professors until Hermann Alt from Dresden finally got the chair in 1939. Karl Hoecken belonged to this row of intermediate professors between 1930 and 1934. Looking through Hoecken´s estate we can find some new aspects o