ale, Christies, 26 September 1988, lot 332; (3) VERNE L. ROBERTS (1939-1007), engineer, inventor, book-collector (Bibliotecha mechanics 1991) of North California. (4) Private collector Exhibited: EFTA00587577 London, Chesterfield House, "Marlborough and the Reign of Queen Anne," March, 1934, no. 226, le