ORDNANCE SURVEY Aviation Map … Sheet 9 Eastern Counties (S). [Portsmouth], Ordnance Survey, 1930.
Colour-printed folding map, linen-backed, measuring 49 by 78 cm; printed front and rear cover; traces of careful use with air routes drawn by hand and landmarks circled in red.
The area covered reaches from Maidenhead in the south west corner to Lowestoft in the north east, with North London at lower margin. The front coverr, designed by Ellis Martin shows a De Haviland Hound over a typical English countryside.
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