Assembling parts (1917) plate 38 from the Building aircraft set, in The Great War: Britain's Efforts and Ideals series, commissioned by the British Department of Information; published by the Fine Arts Society, London, 1917
chopmark (in image) l.l.: (lion and unicorn beside crowned shield; royal coat of arms) label formerly on old mount, printed in ink u.l.: C. R. W. Nevinson. / ASSEMBLING PARTS. / A / 38