Summers, Claus Herman (1780)
Summers, Claus Herman, Neale's Passage, Earl St, London, cm (1780). In 1780 took out insurance cover of £200 of which £50 was for utensils and goods. [GL, Sun MS vol. 282, p. 286]
The original entry from Dictionary of English Furniture Makers, 1660-1840 can be found at British History Online.