Air Board, Technical Notes.
Issued by Controller, Technical Department. Orig. printed card wraps., approx. 80pp, num. photos. & diagrams. (c.1917)
#67953
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Official RFC/RNAS publication relating to aero engines. Contains general preface followed by details of various engines, with num. photos, sketches & diagrams. Covers somewhat serviceworn, overall VG & scarce. See illustrations on our website.
£75
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