G.R. Army Book, 129, inscribed 'Edward V. Appleton, Lieut. [Lieutenant] R.E.’, c. 1918

G.R. Army Book, 129, inscribed 'Edward V. Appleton, Lieut. [Lieutenant] R.E.’. vThe volume contains bibliographical notes, records of experiments, notes for investigation on valves, batteries, circuits, etc., during his service in the Royal Engineers Signals. Most of the work is in Edward Appleton's hand, and some is in another unidentified hand. Only one entry is dated 'From Biggin Hill 12/9/18' (not in Appleton's hand).