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Station, The British Electricity Authority's Works, Glass Bottle
Works, Rope Works, Ship Propelling Works, Merryweather's Works
(Fire Engines), Cement and Stone Works, Asbestos Works, Cold
Meat Storage, Pressed Tool Works, Constructional Engineering
Works, Galvanising and Sheet Metal Works, Flour Mills, Aero
Parts, Wireless and Vehicle Parts, Tin Box Manufacturing Works,
Paint Manufacturers, Newspaper Printers, Electric Welders,
Furniture Makers, Joinery and Shopfitting, Works for producing
extruded non-ferrous Metals and Alloys, works for the production
of oxygen and rare gases, works for producing water-softening
and conditioning chemicals, and inevitaby a Lighterage Company.
The numbers employed at 11 of the larger factories range
between 500 and 5,000 each, whilst 17 smaller works each employ
between 100 and 400.
SUPERFICIAL GEOLOGY
Superficial deposits making up the area of the Borough of
Greenwich are found to be (a) alluvium, a damp clay soil,
impervious to water and generally not more that about 15 feet
thick and (b) gravel and sand of various ages, highly permeable to
water and not usually more than 20 feet thick. These two
series are in the Post Pliocene or tertiaries or drift series, whilst
of the Eocene tertiary formations we have (1) the London clay,
a stiff bluish clay impervious to water of not more than 450 feet
deep; (2) the lower London tertiary consisting of pebble beds,
sands, clay and loam, more or less permeable and of a thickness
not exceeding 190 feet and (3) chalk, permeable, highly absorbent
and about 800 feet thick.
These various deposits are found distributed roughly as follow:—
The alluvium stretches along the River bank, commencing towards
the east at a point on the Riverside in the Royal Dockyard
premises, Woolwich; thence roughly following the Woolwich
Road and keeping parallel to it on the north side, at a distance
of about one hundred yards, until Blackwall Lane is reached,
where the line of Pelton Road is followed up to the River Bank,
the alluvial deposits finishing off at this point altogether and
commencing again on the River Bank at a point near Greenwich
Pier: thence crossing Creek Road, near St. Peter's School, the