2. Lipski and Archer, Dated Delftware, 
nos. 1250 1252 (dated bird-on-rock bottles); 
nos. 1254-1502 (other dated bottles). For an 
undated bird-on-rock bottle, see Grigsby, Chip- 
stone, no. 23. 
 
 
discussion of the factory, see Briton, London, 
pp. 34-:36. 
 
 
9. Archer, V&A, p. 266.