CHAPTER IX.

STREET WATERING.

Watering necessary on sanitary grounds as well as to prevent damage from dust--Watering in London--Watering by horse and cart--The points of importance to be considered in connection with this service--The diary of a water cart--Bayley's hydrostatic van--A description of this machine--Its great advantages over the old-fashioned water cart--Mr. Scott on the subject--A trial in Edinburgh-- Mr. Tomkins and Bayley's van--A comparative table of effective work by one of these vans--Watering streets by ponding water in channel gutters--Brown's system of watering--Its advantages and objections--Watering by hose and reels or by portable iron pipes--Watering at Reading--Watering at Paris--Use of salt water and other chemicals--Watering with disinfectants 73