Publication date: 23 Jul 1878.
Issue: 24607.
Page: 22.
Name: John Hammond.
Marital Status: Not given.
Occupation: Gas Engineer.
Patent Law Amendment Act, 1852. Office of the Commissioners of Patents for Inventions. Notice is hereby given, that - 2376. And John Hammond, of Lewes, in the county of Sussex, Gas Engineer, has given the like notice in respect of the invention of “an improved method of and apparatus for the complete purification of coal gas by concentrated liquid ammonia and the recovery of sulphur and ammonia for the manufacture of sulphuric acid and sulphate of ammonia. " As set forth in his petition, recorded in the said office on the 14th day of June, 1878.