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163
St. Pancras.
The St. Pancras Vestry has acted upon an entirely different principle,
as it has taken for itself powers to supply the light, and kept all Companies
from obtaining Provisional Orders.
There is one Special reason in this case which made this cousre the
best for the Vestry to adopt. Their parish is full of large Establishments,
such as Schoolbred's, Maple s, &c., to whom the Electric Light has become
a necessity in their business, and who will in all probability be large
customers. The Vestry have, therefore, taken advantage of their position,
and there is an income and probably an immediate profit assured on their
outlay.
comparative cost op gas and electric light.
Professor Robinson, C.E., has been advising the St. Pancras Vestry
on the matter, and I quote below some of his figures. He estimates the
Cost of Gas Supply per annum
to private house with 30 lights
(at 2/2 per 1000 feet), £8 18s. Id.
Cost of Electric Light to private
house with 30 lights at 4½d per
Board of Trade unite of 1000 voltamperes
per hour £14 15s. 8d.
The 4½d. per unit represents the cost which he thinks the Vestry can
supply the light, but the maximum charge asked for by the Companies will
be 8d. per unit.
The fittings for Electric Light cost 25 per cent, more than gas.
street lighting.
He further calculates that an Arc Lamp of 1000 candle power is the
best form for this purpose, and will cost at 4½d. per unit, £44 10s. 4d. per
annum, superseding five ordinary gas lamps costing £14 per annum.
In this case the cost of Electricity is 3.18 times larger than Gas, but the
light is fourteen times greater.
At an important corner, two Arc Lamps of 750 candle power might be
placed at a cost of £74 per annum, replacing Gas Lamps costing £56 per
annum; the Electric Light being 3½ times greater than Gas.
cost of installations.
Professor Robinson estimates that an installation of 10,000 lights
will cost £50,000, and annual cost £9,400, providing six miles of main.
This scheme would require one central and five sub-stations, and in
addition to supplying the houses would supply 40 Arc Lamps, costing
£1542 per annum, in place of 200 Gas Lamps costing £560 per annum.
A scheme for 5000 lights, with one central and two sub-stations, he
estimates the cost £25,000, and £5450 per annum.
The Brighton Corporation has just agreed to spend £30,000 for an
installation of 10,000 16-candle power lamps, exclusive of the cost of land
No mention is made in the scheme of street lighting.