SUB-WAYS

PROVED

TO BE ESSENTIAL TO

THE PURITY OF WATER

IN

The Metropolis.

PUBLISHED IN LONDON, 1828.

PRICE 12s. 6d.

S. M'Dowall, Printer, 95, Leadenhall Street.

OF

SUB-WAYS

IN THE BRITISH METROPOLIS,

FOR THE FLOW OF

Pure Water and Gas

INTO THE HOUSES OF THE INHABITANTS,

Without disturbing the Pavements:

INCLUDING THE PROJECTS IN 1824 AND 1825.

BY JOHN WILLIAMS,

The Patentee,

CORNHILL, LONDON.

London:

PUBLISHED BY CARPENTER & SON, No. 14, OLD BOND STREET;

AND

J. M. RICHARDSON, OPPOSITE THE ROYAL EXCHANGE.

1828.