The war in the air; being the story of the part played in the Great War by the Royal Air Force (1922)
Raleigh, Walter Alexander, Sir, 1861-1922, Jones, Henry Albert, 1893- · Oxford Clarendon Press · leaf 106
nder was, however, expensive and some- what elaborate and did not come into general use in the war. The second principle was suggested to the Munitions Inventions Department in January 191 6, independently, by Mr. G. T. Bennett of the National Physical Laboratory and by Lieutenant J. M.… … Let us assume that ABH'H and CDH'H are two sighting planes in use at the observing stations A and C which are a known distance apart. The planes are hinged horizontally along the parallel lines AB and CD. They are rotated until the target, G, is sighted in both planes simultaneously, when a reading…
Great Britain. Royal Air Force · World War, 1914-1918 · Aeronautics, Military · Aeronautics
Internet Archive · Robarts - University of Toronto · Public domain (published before 1931). Free to use for anything.
