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ROYAL COLLEGE OF SURGEONS
1873
The Lancet
other streets in London leads me to bring before your notice my patented Stack-Pipe Watercloset Ventilator. It has been put up in several houses-those of clergymen and medical men,-and in every instance perfectly satisfied all requirements. The novelty of my method is that the ventilation takes place from the very highest point of the sewer (in relation to the house)-viz , the lid of the closet; and, in order to render this perfect, by a mechanical contrivance I prevent the handle being raised,
doi:10.1016/s0140-6736(02)69411-5
fatcat:ihynefymm5bujezg37gjj5yap4