Incorporated Gas Institute
Presumably successor to the Gas Institute
c.1888 There was a split with some members seceding to form a rival institution[1]
By 1894 the Gas Institute had been incorporated - Incorporated Gas Institute[2]
1896 The thirty-third annual general meeting of this Institute was held at the rooms of the Society of Arts, London, under the presidency of Mr. W. R. Chester, M Inst. C.E. Mr. J. Hepworth, M. Inst. C.E., was Honorary Secretary of the Institute. An illuminated address was presented to Mr. F. G. Burfield, the late Secretary of the Institute.
1902 Amalgamated with the Institution of Gas Engineers[3], presumably as the Institution of Gas Engineers and Managers.