Three dutch inventions dating from 17th century
He read proceedings by fellow-researchers, traveling abroad to learn about new concepts, combined and perfected components that already existed, and was interested in market monopoly and earning credit from it.
In the end Huygens obtained fellowships of both the Royal Society (1663) and the French Acadmie des Sciences in the year of the great London fire (1666).
Coster worked under the directions of the outstanding homo universalis of seventeenth century Dutch science with the guttural name Christaan Huygens, astronomer, mathematician, physicist and optical scientist.
Strangely enough, in contrast to the English, the general Dutch public is completely unaware of the international scientific significance of this inspiring genius.
For the Schoonhoven collection only a poorly illustrated catalogue exists by G. There are of course some Dutch horological masterpieces in London, in the Science Museum, the British Museum (Ilbert Collection), The V&A and Museum of the Clockmakers' Company at the Guildhall.(Holland by the way being not synonymous with the Netherlands, but originally the historical power centre of the (Northern) Netherlands). This is the oldest known Dutch turret clock with musical drum made for the church of St.A smaller turret clock, dating from about a century later and now in the museum in Zaandam, demonstrates very clearly the vertical verge escapement and foliot or balance bar with adjustable weights on top, typical for the mediaeval concept of variable hours, derived from the sundials of the ancients. Jacob in The Hague, but now on display in the Museum in Schoonhoven.Other Dutch authors, writing in their mother tongue, and setting a premier standard in Dutch horology are C.Spierdijk in his books on clocks and clockmakers (1962) and watches and watchmakers (1973) as well as Jaap Zeeman having written the first survey of the Dutch stool clock (a popular regional style Dutch domestic wall clock) (1969) and of the Dutch longcase clock (1977), as well as his compilation of exhibition catalogues in 1967, 19.