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air allowance air per hour air supply amount of air breath Bridges burner Butler calculated carbonic acid cause ceiling cesspool Chemical chimney cloth coal cold considered Construction cubic feet cubic foot cubic space allowance disease drafts Engineers engravings exhaled expense fact feet per hour fire-place floor flue foul air fresh air furnace gas lights gas-lights gases heat hydrogen i2mo i6mo illus Illustrated impurity ings inlets inmates insensible ventilation lungs matter means of ventilation Mechanical mechanical ventilation ment method moisture morocco natural ventilation necessary occupied odor open fire outlets oxygen persons plates PLYMPTON Practical Treatise private houses Prof public buildings purity quantity of air quires Railway reason revolutions per minute sanitarians sanitary sanitary science sewage sewer gas sewers shafts smoke sources of vitiation standard Steam systematic ventilation Tables theory tilation tion trap tunnel valve warming wood-cuts
Page 149 - The Mechanic's Friend: a Collection of Receipts and Practical Suggestions Relating to Aquaria — , Bronzing— Cements — Drawing — Dyes— Electricity — Gilding —Glass-working— Glues— Horology — Lacquers -Locomotives — Magnetism — Metal-working -Modelling — Photography — Pyrotechny— Railways — Solders — Steam-Engine — Telegraphy — Taxidermy — Varnishes — Waterproofing- and Miscellaneous Tools, I nstrunicnts.