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ix.
Underground RoomS: Provisions of the Act with reference to 178
„ „ New Departure with regard to, by the London
County Council 180
„ „ In Kensington : Action of the Vestry 182
Metropolitan Sewage Question 183
„ The (late) Metropolitan Board of Works' decision to deal with
Sewage at the Outfalls, by Chemical Precipitation of the
Solid Matters ; and, when'necessary, by Deodorization of
the Effluent, followed by immediate discharge into the
River ; contrary to the Recommendation of the Royal
Commission in favour of a System of Land Filtration of
the Effluent, prior to its discharge into the River ... 183
„ ,, Sir Henry Roscoe, retained as Scientific Adviser by the
Board, reports on the Deodorization of the Sewage at the
Outfalls, and in the Sewers 184
„ „ The Vestry's views as to the inutility of Deodorization, as
practised 185
„ „ Sir H. Roscoe sums up the whole question, unofficially, in
1889, and condemns the proceedings of the late Board 186
„ „ The cost of Deodorization 188
„ „ The proper place for the Sewage is the Land : Meanwhile,
Three Systems of Treatment have been proposed :
(1) The Amines Process 189
(2) The International Purification Process 189
(3) The Webster Electrical Process 190
Water Supply : The Regulations 192
„ Cutting-off Powers of the Companies, etc. 193
„ Underground Tanks : The Dangers of 194
„ Professor Frankland's Report, Abstract of 194
„ The Water Examiner's „ „ 196
„ By the Local Companies ... ... 197
Frankland's (Dr. Percy), Biological Experiments 200
„ Constant Supply, Progress of, 201
,. The Vestry apply for Constant Supply for a district
in North-east Kensington : It is refused. 203
Gas, Results of Examination, for ascertaining the Illuminating Power
and Purity of 204
„ Proposal to acquire power to test Gas with portable Photometer 204
„ Proposed New Standard for ascertaining the Illuminating Power of 205
Conclusion 207