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ADVERTISEMENTS.
BOYLE S
self-
AIR-PUMP
These VENTILATORS are
pronounced by the most eminent,
scientific, and practical men in the
kingdom to he the most efficient
system of Ventilation yet brought
out. They extract the foul air
most effectually from ships and
buildings of every description,
and are entirely free from down
PATENT
ACTI NG
VENTILATOES.
draughts or currents — so much
complained of. Being continu-
ous in operation, and having no
mechanical movement, they can
never get out of order, andrequire
no attention, and can be con-
structed to harmonise with every
style of architecture. They are,
therefore, most admirably adapted
for the Ventilation of Churches, Schools, Public Buildings, Dwelling-Houses, &c, &c.
Testimonial from Sir William Thomson, LL.D., Professor of Natural Philosophy, Glasgow College.
I have seen several different forms of Mr. Boyle's Air-Pump Ventilator in actual operation, and have
much pleasure in testifying to their efficiency. They thoroughly realize the favourable anticipations
which I formed from experiments on models shown to me by Mr. Boyle. One of the simplest forms has
been applied to a stove flue in my yacht, and has caused a verv decided improvement in the draught.
" WILLIAM THOMSON.
ROBERT BOYLE & SON,
PATENTEES $ MANUFACTURERS.
Offices and Show Rooms —
100 Mitchell Street, Glasgow, and Mansion House Buildings, London.
Bkanch — 8 Corporation Street, Manchester. Works — 154^ Bothwell Street, Glasgow.
Prospectuses, Price List, and Testimonials to be had on application,
WILLIAM HUME,
IRON AND WIRE WORK MANUFACTURER,
195 BUCHANAN STEEET, GLASGOW.
8TMBBDI5) U$@>N) M® WDEII FUflWMb
PATENT CONTINUOUS WEOUGHT-IRON FENCING,
FIELD AND GARDEN HURDLES, FIELD AND ENTRANCE
GATES AND WICKETS;
WIRE NETTING FOR HARES AND RABBITS, POULTRY, DOGS, & SHEEP, &c,
OKNAMENTAL WIRE WORK FOR GARDENS, GARDEN SEATS;
IMPROVED IRON STABLE FITTINGS, DOG KENNEL
RAILINGS ;
PATENT ASPHALTIC EOOEING EELT AND COATING, BLACK VARNISH,
PUMPS AND GARDEN ENGINES,
THE CASSiOBURY FIRE EXTINGUISHER,
IRON WINE BINS,
BRADFORD'S PATENT WASHING MACHINES, WRINGERS, & MANGLES.
Agent for Messrs. S. OWENS, & CO., Hydraulic Engineers, London.
Agent for Messrs. GUEST & CHRIMES, Brassfounders, Rotherham.

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