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
Zacharias Heyns Zacharias Heyns Zacharias Heyns (1566 – 1630) was a Netherlands printer and engraver from the Northern Netherlands. Heyns was born in Antwerp as the son of the schoolmaster Peeter Heyns, who was known for his French schoolbooks and translations from Dutch to French and back. The Heyns family moved to Frankfurt after the fall of Antwerp and when the elder Heyns moved to Stade in 1592, Zacharias became a publisher in Amsterdam near the Oude Kerk and married Anne Hureau. His first published works were a few Latin books by Eilhard Lubinus and schoolbooks by his father, and after his