Survey of India. Map Publication and Office Work 1929 to 1930 From 1st April 1929 to 31st March 1930

SURVEY OF INDIA MAP PUBLICATION AND OFFICE WORK 1929 TO 1930 From 1st April 1929 To 31st March 1930 PUBLISHED BY ORDER OF BRIGADIER R. H. THOMAS SURVEYOR GENERAL OF INDIA Printed at the Photo.-Litho. [...] Also to some extent from the Agents detailed overleaf and from the Directors of Survey Circles. [...] Detailed accounts are given of the Basline measurements of the reduction of the Geodetic Trianglation treated in five portions of the early Pendulum observtions of Telegraphic Longitude and Astronomical Latitude operations of Tidal observations and of Levelling of high precision. [...] Apart from (I) the introduction and (V) the annual report of the Mathematical Instrument Office at the end of the volume the present report is divided into three main parts:— (II) shows all publications and map issues for the year. [...] (IV) describes the work of the printing and miscellaneous offices excluding that of the Computing and Tidal Office whose work is of a geodetic character and published in full in the annual Geodetic Report.2 PERSONNEL 3. Personnel.