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
Water supply and sanitation in the Netherlands remaining 40% comes from surface water, mainly in the West where water utilities pump from the Rhine and the Meuse because groundwater is brackish. The government encourages the use of surface water by charging a groundwater abstraction levy. Average municipal water use is among the lowest in developed countries at only 128 litre/capita/day in 2004. 96% of water users are metered and a portion of their bill - typically about one half - is based on actual consumption. Infrastructure. There are 116,000 km of water pipes in the Netherlands. Human Resources. The ten regional water companies had 4,938 full-time equivalent