Telescope earliest existing record of a telescope was a 1608 patent submitted to the government in the Netherlands by Middelburg spectacle maker Hans Lippershey for a refracting telescope. The actual inventor is unknown but word of it spread through Europe. [[Galileo Galilei|Galileo]] heard about it and, in 1609, built his own version, and made his telescopic observations of celestial objects. The idea that the [[Objective (optics)|objective]], or light-gathering element, could be a mirror instead of a lens was being investigated soon after the invention of the refracting telescope. The potential advantages of using [[parabolic reflector|parabolic mirrors]]—reduction of [[spherical aberration]] and no
Ekathotsarot embassy reached the Dutch city of The Hague, in 1608. The embassy of 16 was brought to Holland by Admiral Matelief on board the "Oranje", leaving Bantam on January 28, 1608. The embassy arrived in The Hague on September 10, 1608, and met with Maurice of Nassau, Prince of Orange. This visit coincided with the application for patent of the telescope by the Dutch eyeglass maker Hans Lippershey, and this new device was mentioned at the end of a diplomatic report on the Siamese Embassy, "Ambassades du Roy de Siam envoyé à l'Excellence du Prince Maurice, arrive a La Haye,