LESS TALKED (Incredible Ancient Indians / Bharatiya) Western Data Genesis Gemini AI :
Nain Singh Rawat was an elite 19th-century explorer whose groundbreaking work for the Great Trigonometrical Survey of India provided the first accurate maps of Tibet and Central Asia. Recruited in 1863 as a "Pandit"—a code name for native Indian surveyors trained to operate clandestinely—Rawat overcame the ban on Europeans in Tibet by traveling in disguise as a Tibetan monk.
Training and Techniques -· The 33-Inch Stride: To measure distance accurately without instruments, he was trained in Dehradun to maintain a precise stride of 33 inches.
· Modified Rosary: Instead of the traditional 108 beads, he used a 100-bead rosary to count his steps. Shifting one bead every 100 steps allowed him to track miles with staggering precision (2,000 steps equalled one mile).
· Concealed Equipment: He hid data and instruments using everyday objects:
o Notes were tucked into a prayer wheel.
o A compass was often hidden in the drum of the prayer wheel or within his luggage.
o Thermometers for measuring altitude (via boiling point) were disguised within walking sticks or bowls.
Key Achievements -
· Mapping Lhasa: He was the first to accurately determine the location and altitude (approx. 3,420m) of the "Forbidden City" of Lhasa.
· River Sources: He identified the sources of the Indus and Sutlej rivers and proved that the Tsangpo River in Tibet was the same as the Brahmaputra in India.
· Accolades: His work, spanning nearly 16,000 kilometres over six major expeditions, earned him the Patron's Gold Medal from the Royal Geographical Society in 1877.
He eventually retired to train the next generation of Pandit surveyors at the Survey of India headquarters in Dehradun
#Indonordicassociation(dot)org
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