Making the Engine, from The Great War: Britain's Efforts and Ideals: Making Aircraft (two impressions)

CHRISTOPHER RICHARD WYNNE NEVINSON (1889-1946) Making the Engine, from The Great War: Britain's Efforts and Ideals: Making Aircraft (two impressions) lithograph, on Holbein paper, 1917, signed and dated in pencil, numbered '52' (from the edition of 200), published by the Stationery Office, London, with wide margins, in generally good condition; together with an unsigned proof impression of the same subject Image: 15 7/8 x 11 7/8 in. (403 x 302 mm.) Sheet: 18 7/8 x 15 1/8 in. (479 x 384 mm.) (2)