Antiquity. Work of Gerona ' the Pneumatic '

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Geron was interested not only mathematics. It has left also many encyclopaedic works on the mechanic. It gives descriptions of five simple mechanisms, principles of action of the lever, polispasta, the law of a parallelogramme of forces is resulted. Geron - the author of outstanding works on a geodesy, it has given the theodolite description, has formulated main principles of military art and has explained a design of throwing cars.

The Great interest represents work of Gerona ' the Pneumatic ' where any automatic machines and devices are described: a thermoscope, the fire pump, models of the first steam-engine, the device opening doors of a temple when fire on an altar was kindled.

These ancient ' miracles ', in the majority remained not used in practice, occupied attention of many thinkers and experts up to Renaissance.

The Life of this talented founder of many witty mechanisms to us is a little known, we do not know and an exact times of its birth and death. Some hold the opinion O.Nejgebauera, the outstanding expert on antique mathematics who asserts that the description of a lunar eclipse in the treatise ' About dioptre ' concerns to 62 d.C. and that Geron herself observed this heavenly phenomenon.