Lot Essay
William Storer patented a design for a reflex camera obscura in 1778, which he marketed as his 'Royal Accurate Delineator' and was granted patent no. 1183.Horace Walpole (1717-97) the novelist and designer of the country house Strawberry Hill, owned a delineator, which he had purchased from Storer. In a letter to the reverend William West, he describes its use.