Historical Records of the Survey of India, Volume 4

¹DDn Agra Allahābād angles assistants astronomical azimuth Barrow bars base base-line Bedford Bengal Bidar blue lights Boileau Bombay boundaries Budhon Calcutta Captain carried chain charge circles commenced completed computations constructed Cuttack Damargida Dehra Dun Delhi Dholpur direction distance district error establishment Everest expense feet field Government Gwalior heliotrope hill inches India instruments Jumna Kaliana Kalianpur Karara khasrah Lambton lamp land large theodolite later latitude Lieut longitude longitudinal series Madras maps March measurement Meerut ment Meridional Arc meridional series microscopes miles Mohsin Husain months MRIO Mussoorie native November observations observatory Olliver operations party principal triangles Provinces rains Ranghir Renny Report revenue surveys Rossenrode rupees Saharanpur season sent Shortrede Sironj sub-assistants Superintendent Surveyor Surveyor General's office taken theodolite took towers trees Trigonometrical Survey Troughton Troughton & Simms village Waugh whilst whole workshop