Located in Petchaburi province some 120km south of Bangkok, spread across three mountain peaks, is the southern palace retreat of King Mongkut (Rama IV). Officially called Phra Nakhorn Khiri, the "Celestial Mountain-top City" it is more commonly called Wang Khao or "Hill-top Palace".
Thais and Telescopes – The Remarkable History of Astronomy in Thailand
In late 1608 a small news pamphlet described the arrival at The Hague of the first ever Ambassadors from Siam. This same pamphlet also described a peculiar demonstration at The Hague of a device whereby "one could see far-off things as if they were nearby". By chance the Siamese ambassadors had arrived to witness the invention of the telescope and start a long lasting connection with Siam and telescopes.