Great Trigonometrical Survey: report by Lieutenant Colonel George Everest, Surveyor General of India, relating to the completion of the Great Arc to the north of Beder
Papers regarding boring for water in Gujarat: report from Lieutenant Jacob on the boring apparatus sent out by the Hon'ble Court - report on the operations for boring for water in Gujarat since the departure of the Superintendent of the experiments, Lieutenant Jacob, to Sind, and the discontinuan...