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Mechanica lines
The Wizard of Oz - 1990 The Marvelous Milkmaid of Mechanica 1-10 was released on:
USA: 10 November 1990
Ottaviano Cametti has written:
'Mechanica seu brevis tractatus de motu..'
H. Calvor has written:
'Acta historico-chronologico-mechanica circa metallurgiam in Hercynia Superiori'
Leonhard Euler, a aswiss mathematician, started to use the letter e for the constant in 1727. The first book mentioning it is Euler's Mechanica (1736)