Category:Handwritten notes by Lt. M. Smyth

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A selection of images relating to hand-written notes by (then) Lt. M. Smyth, dated 2/1/19 from a course he attended at The Army Signalling School in Dunstable. Most of it consists of technical descriptions & circuit diagrams of electrical & wireless apparatus , but I’m attaching some interesting pages such as care and use of carrier pigeons, how to lay cables in trenches or over roads, and communications with aircraft.