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ROBERT BOYLE & SON'S
PATENT SELF-ACTING
AIR-PUMP VENTILATORS
(Latest Improvement, Patented 1882)
Effectually extract the Foul Air, have no mechanical motion, are
)^--^ entirely free from down-draught, and caji be constructed
'^^ to harmonize with every style of Architecture.
EFFICIENT VENTILATION GUARANTEED.
These Ventilators are pronounced by the most eminent, scientific,
A Doc'rfn Rodisforo/1 ^°^ practical men in the kingdom to be the most eflicient method
1 UeSlgU, iteglSierea. ^f ventilation yet brought out, and have been awarded :—
£50 Prize (only Prize offered), International Ventilation Competition, L^mdon, 1882.
Gold Medal (Highest Prize), International Exhibition, London, 1882. x.
Gold Medal (only Prize offered), Open Ventilation Competition, Birkenhead/sLune 1884.
Highest and Only Prize awarded to Exhaust Ventilators, Hygienic Exhibitio^sXondon, 1883.
First Prize (only one awarded to Eoof Ventilators), International Medical andSSajiitary Exhi-
bition, London, 1881. \^
Highest and Only Prize awarded to Ventilators, International Exhibition, London,i^^84.
TESTIMONIALS.
Alfred Wateehouse, Esq., E.A., Architect. — 'I am glad to hear good reports of your Cowls
fixed at the Duke of Westminster's house.'
Akthuk W. Blomfiei.d, Esq., Architect. — 'I have used the Air-Pump Ventilator of Messrs.
Kobert Boyle & Son, with satisfactory results. I believe the system to be a sound and good one, and
capable of varied application with success.'
Dr. B. W. EiCHAEDSON, F.E.S. — ' Since these excellent Ventilators have been introduced we have
now got perfect methods of ventilation.'
The late Sir Gilbert Scott, Architect. — ' I have used your Patent Self-acting Air-Pump
Ventilators with complete success. From experience of them in my own house and other buildings,
public and private, where they have been applied under my direction, I can confidently, and will always
have great pleasure in recommending them.'
Arthur Catbs, Esq., F.E.I.B.A., Architect to the Crown, e^c— 'I have used your Air-Pump
Ventilator with satisfactory result. Those fixed under my direction at the Library of the Inner
Temple have realized my expectations, and completely fulfil the object which I had in view.
I consider this application of them a severe test, and the success which hae attended it confirms the
statement which you make as to their efficacy.'
Sir WiLLiAJi Thomson, F.E.S. , Glasgow University. — 'I have seen several different forms of
Mr. Boyle's Air-Piunp Ventilator in actual operation, and have much pleasure in testifying to theii-
efficiency. They thoroughly realize the favourable anticipation which I formed from experiments on
models shown to me by Mr. Boyle. Having one fitted up in my yacht, I find it has caused a verj
decided improvement in the draught.'
Robert Boyle & Son's Patent Soil-Pipe Ventilator
(LATEST IMPEOVEMEXT, PATENTED 1882),
Made of Strong Galvanized Iron, and Painted with Enamel Paint.
6 inch diameter, 2 inch Pipe, £0 12
8 „ „ 3 „ „ 17
10 ,, ,, 3|- to 4 inch Pipe, . ... 1 2
'I have often made use of the Air-Pump Ventilator for Soil Pipes, etc., and consider it most
admirable. . . . It is decidedly the most efficient fixed foul air withdrawing medium that I ever met
with.'— W. Eassie, Esq., C.E., F.L.S.
' Boyle's Patent Self -Acting Air-Pump Ventilator, which does not revolve, is the best Soil-Pipo
Ventilator that I Imow of.'— Ernest Turner, Esq., F.E.I.B.A., etc.
KOBERT BOYLE & SON LIMITED,
VENTILATING, SANITARY, AND HEATING ENGINEERS,
110 Bothwell street, Glasgow, and 64 Holborn Yiaduct, London, E.G.
* * CAUTION. — Beware of spurious and worthles-s imitatious of the Air-Pump Ventilator.