Footnotes:
(1) Prince Damrong Rajanubhab (1862-1943 CE), a son of King Mongkut, established the modern Thai educational system and the current provincial administration. He served as Minister of Interior from 1892 to 1915 CE and as Supreme Councillor of State from 1925 to 1932 CE.
(2) In the Rattanakosin era, 8 fathoms was approximately 15.47 meters, based on the historical Siamese fathom being equal to 96 Siamese inches. The old documents refer to 8 Wa (non-metric). Before 1923, when it was standardized at 2 meters, the Wa was estimated to range from 195 cm to 198 cm, depending on the region and context. Therefore, 8 Wa would be between 15.60 and 15.84 meters.
(3) Nak (นาก) refers to a traditional reddish-gold alloy, historically made of copper, gold, and sometimes silver or other trace metals. It resembles rose gold and has been used in royal regalia, sacred objects, and high-status Buddhist images. Nak in Thai culture is a symbolic and sacred alloy, closely connected to Buddhist rituals and royal patronage.
(4) Important historian of the Dutch East India Company [V.O.C], best known for his encyclopedic illustrated account of the Dutch trading empire in Asia, Oud en Nieuw Oost Indien [Amsterdam 1724-1726].
(5) Engelbert Kaempfer. Kaempfer (1651-1716 CE) was a medical doctor working for the Dutch VOC (Verenigde Oost-Indische Compagnie) who surveyed the city of Ayutthaya in June 1690 CE.