Post Office Edinburgh and Leith directory . ct the Foul Air, have no mechanical motion, are entirely free from down-draught, and can be constructed to harmonize with every style of Architecture. EFFICIENT VENTILATION GUARANTEED. These Ventilators are pronounced by the most eminent, , .scientific, and practical men in the kingdom to be the most No. 1 Design, efficient method of Ventilation yet brought out, and have beenRegistered, awarded:— Gold Medal (Highest Prize), International Exhibition, Brussels, 1888. X60 Prize (only Prize offered), International Ventilation Competition, London, 1882. G
Post Office Edinburgh and Leith directory . ct the Foul Air, have no mechanical motion, are entirely free from down-draught, and can be constructed to harmonize with every style of Architecture. EFFICIENT VENTILATION GUARANTEED. These Ventilators are pronounced by the most eminent, , .scientific, and practical men in the kingdom to be the most No. 1 Design, efficient method of Ventilation yet brought out, and have beenRegistered, awarded:— Gold Medal (Highest Prize), International Exhibition, Brussels, 1888. X60 Prize (only Prize offered), International Ventilation Competition, London, 1882. Gold Medal (Highest Prize), International Exhibition, London, 1882. Gold Medal (only Prize offered). Open Ventilation Competition, Birkenhead, June 1884. Highest and Only Prize awarded to Exhaust Ventilators, Hygienic Exhibition, London, 1883. First Prize (only one awarded to Eoof Ventilators), International Medical and Sanitary Exhibition, London, and Only Prize awarded to Ventilators, International Exhibition, London, TESTIMONIALS. Alfred Watekiiouse, Esq., , Architect.—I am glad to hear good reports of your Cowlsfixed at the Duke of Westminsters house. Arthur W. Blomfield, Esq., Architect.—I have used the Air-Pump Ventilator of Boyle & Son, with satisfactory results. I believe the system to be a sound and good one, andcapable of varied application with success. Dr. B. W. EiCHARDSON, — Since these excellent Ventilators have been introdiiced we havenow got perfect methods of ventilation. Arthur Gates, Esq., , Architect to the Crmvn, etc.—I have used your Air-PumpVentilator with satisfactory result. Those fixed under my direction at the Library of the InnerTemple have realized my expectations, and completely fulfil the object which I had in consider this application of them a severe test, and the success which has attended it confirms thestatement which you make as to their eflBcacy. Sir William Thomson,
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