- 1Reference: SP11/5/1
Title: Specification of John Claret regarding improvements in liquid meters (number 2243 of 1888)
Level of description: item
Date Free Text: 1888
Production date: From: 1888 To: 1888 - 2Reference: SP11/5/2
Title: Provisional specification for improvements in liquid meters of John James Claret (number 17,843 of 1...
Level of description: item
Date Free Text: 1889
Production date: From: 1889 To: 1889