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the reservoir at West Wickham and to Keston. Another small
engine of the Worthington type pumps water to Knockholt
reservoir. The steam for these engines is generated by six
Cornish boilers, four working at a pressure of 100 lb. and the
other two at 35 lb. There is an apparatus at this station for
softening the water used for the boilers. A workman's cottage is
situated here.
Cowlass Hill, Farnborough. —There is a reservoir at Cowlass
Hill, near Farnborough. It is square in form, covered with brick
arches, and turfed over. It is capable of holding 1,400,000
gallons. The top water level is 439 ft. above ordnance datum.
Dartford. Here there is a reservoir of circular form, 60 ft.
in diameter, and 20 ft. in depth. It is covered by arches of brick
resting on rolled joists supported partly by a central iron column.
The capacity of the reservoir is theoretically 370,000 gallons, but
it is not filled. The top water level is 130 ft. above ordnance
datum.
West Wickham.—The station to which this name is given is
situated close to the high road about three miles from the village
of West Wickham, on Layham Farm. There is a circular
reservoir covered with brick arches and turfed over. It has a
capacity of 250,000 gallons. The top water level is 550 ft. above
ordnance datum. The reservoir is enclosed by an iron fence.
Knockholt.—The station is situated near to, but on higher
ground than, the well-known Knockholt Beeches, which are a
landmark for miles round. There is a reservoir, covered with
brick arches and turfed over. The top water level is 795 ft. above
ordnance datum. The water is pumped here from Farnborough,
and is used for the supply of Knockholt, Brasted, and
Westerham.
Wilmington.—The station at Wilmington is situated at the
extreme northern extremity of that parish, about a mile south of
the town of Dartford, near the Dartford powder-mills, in the
valley of the Darenth, and not far from the river. Two wells,
pumping apparatus, and workmen's cottages, are situated here.
The wells are about 100 ft, in depth, lined with iron cylinders,
and bricked at the upper part. One of the wells (No. 1) has a