249. Davenport (L.) A series of 46 original ink drawings to illustrate flyers, packaging or instructions for the Demon Series of Magical Apparatus, 1932-1933, a few stained, various sizes , and a large number of proofs of the blocks, some mounted in a ring binder, the others loose; Illustrated Catalogue of New and up to date Wonders, original wrappers, 8vo , [c.1910?]; original manuscript instructions for The Bewitched Billiard Balls; correspondence, including a typed letter regarding the registration of the Demon trademark; a collection of about 200 instruction slips, many with illustrations, and other material, most dating from c.1930-1940
est. £250 – £350