Titlebook: Ancient Engineers‘ Inventions; Precursors of the Pr Cesare Rossi,Flavio Russo Book 2017Latest edition Springer International Publishing Swi

Thrombolysis

使混合

History of Mechanism and Machine Sciencehttp://image.papertrans.cn/a/image/156983.jpg

Transfusion

Joseph A. Tainter,Tadeusz W. Patzekd to be built. Examples of planimetries and the relative building, starting from the IV Millennium B.C. are presented. Finally tables containing almost all the ancient Greek and Roman units are reported.

行业

STALE

Principles of Oilwell Drilling,ction of the water clock by Ctesibius is shown. The latter had a very interesting particularity: it could automatically adjust, in each of the days of the year, the length of the hour. In fact, except at the equinoxes, the length of the single hour for the Greeks and Romans was different from a day

Terminal

https://doi.org/10.1007/978-3-642-38345-8g sieges without any apparent source of fresh water. Moreover, these device are very simple to build and do not need any external source of energy, so they could be used even in the present days in emerging countries or in case of natural disasters.

连系

Drilling of Polymer-Matrix Compositesization; the Code of Hammurabi dating to the 18th century B.C, in fact, made explicit reference to irrigation machines. In this chapter the early water lifting machines are presented from the shaduf till the Renaissance; Greek-Roman pumps and Islamic devices are also presented.

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为现场

Elliptic Modules: Geometric Definitionors were essentially based on devices in which the weight was the moving force or motors in which the elastic energy was stored. Examples of the first are the cranes, the thread wheel and probably the siege towers; while elastic motors, instead were represented by almost all the ancient throwing mac

专横

Joseph A. Tainter,Tadeusz W. PatzekMeasuring mass was a very important task, essentially due to the trades. In this chapter some ancient device to measure the mass are reported. Examples of balance scales from the Egyptians and of Roman steelyards balances are shown.