The medical problems of flying, including reports nos. 1-7 of the Air medical investigation committee (1920)
Medical Research Council (Great Britain) · London H.M. Stationery off · leaf 274
266 Keaction Time Apparatus It consists of a chronoscope A, which registers to 1/100 second, and is worked electrically by a hammer B, from a coil C, and accu- mulators D. There are four signals, two differently coloured lights E and F, an electric horn G, and an electric bell H. The operator has a… … and the signal is given by touching the key K. The candidate sits opposite the operator and places his right-hand first finger on the brass plate P, which is equidistant from the three keys K^, /u, K3. The end keys, 7v^ and K^, are for the corresponding lights, and the middle key, A',, is for the…
Air pilots · Aviation medicine
Internet Archive · Gerstein - University of Toronto · Public domain (published before 1931). Free to use for anything.
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