Note 175 — Chapter XX
Reading edition
Forty-seven observations, comparative with Calcutta, gave 34·8° difference, and if 5.5° of temperature be deducted for northing in latitude, the result is 1° for every 412 feet of ascent. My observations at the junction of the rivers alt. 10,850 feet), during the early part of the mouth, gave 1° to 304 feet, as the result of twenty-four observations with Dorjiling, and 1° to 394 feet, from seventy-four observations with Calcutta.