AN ENGLISH CUBISTWILLIAM ROBERTS:Anti-Aircraft Gun / Two Sketches of Workers in Munitions FactoryIllustration © The Estate of John David Roberts. Reproduced with the permission of the William Roberts Society. Catalogue information based on the catalogue raisonné by David Cleall. For this and full details of the exhibitions cited, see the links below. Any auction prices quoted may not include all fees and taxes, such as VAT and Artist's Resale Right charges. ![]() ![]() (recto) Anti-Aircraft Gun (aka Machine Gun Factory Detail), 1940 Inscribed with colour notes Pencil, 17.8 cm x 12.5 cm (verso) Two Sketches of Workers in Munitions Factory (aka Anti-Aircraft Gun Factory), 1940 Inscribed 'Blue Prints' and 'Polishing metal edge' Brown chalk, 17.8 cm x 12.8 cm PROVENANCE: Estate of John David Roberts (held in Tate store, 2014) EXHIBITION HISTORY: Gillian Jason Gallery (2) 1986 (where dated c.19422; priced £500) Home page | Chronology | Bibliography | Collections | Exhibitions News | Gallery | Auction results | The artists house | Contact List of works illustrated on the site Catalogue raisonné: chronological | alphabetical |