Galileo Galilei the use of the compasses for 120 lire. In about 1593, Galileo constructed a thermometer, using the expansion and contraction of air in a bulb to move water in an attached tube. In 1609, Galileo was, along with Englishman Thomas Harriot and others, among the first to use a refracting telescope as an instrument to observe stars, planets or moons. The name "telescope" was coined for Galileo's instrument by a Greek mathematician, Giovanni Demisiani, at a banquet held in 1611 by Prince Federico Cesi to make Galileo a member of his Accademia dei Lincei. The name was derived from the
Galileo (1975 film) directed the first performances of the play in 1947 in the US — with Brecht's active participation. The film is fairly true to those first performances, and is thus of historical significance as well. The film closely follows the "American" version of Brecht's play "Galileo". In 1609 Galileo is a mathematics professor in Padua, Italy. While his salary is inadequate, he possesses the freedom to pursue controversial scientific studies under the protection of the Venetian republic. Part of his work involves the use of a telescope, a relatively new scientific instrument brought from the Netherlands. Using the telescope, Galileo seeks