Flying for air survey photography.
By: By F. Tymms ... and Flight Lieutenant C. Porri, R.A.F., members of the Air Survey Committee. Air Ministry.
Contributors: Porri, Cyril O., joint author.; McCaw, George Tyrrell, 1870-1942.; Great Britain. Air Ministry.
Publisher: H.M. Stationery Off. [printed by Eyre and Spottiswoode, ltd.]
Published: 1927
Place of publication: London
Language: eng
Number of pages: 46
Subjects: Aerial photography.; Photographic surveying.
Other titles: Navigation by the sun.
Notes: "Navigation by the sun. By Captain G. T. McCaw, O.B.E": p. 44-46.