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advantage amount aqueduct arches Arthur Aikin average ballast beam beds boiler Boyne Boyne Viaduct bridge Britannia Bridge calculated canal carbon cargo carried cent centre chalk clay clipper coal compression considerable construction cost crossings cubic feet depth discharge district effect embankments Engineers experiments feet span flange foot formula fuel furnace gallons gauge girder greensand Inst Institution iron JAMES SIMPSON Landore Viaduct length load London London basin London clay lower material Messrs metres miles obtained ordinary Paper piers pipes plate point rails Pont du Gard portion practical present pumping quantity of water rails Railway river River Lea River Thames roof sailing vessels sand screw colliers side smoke speed square steam stone strains strata struts surface Telford Medal Thames thickness timber tion tons top and bottom trusses tube tunnels velocity Viaduct Vide voyages Watford wear and tear weight whilst wrought-iron
Page 158 - MAN, that is born of a woman, hath but a short time to live, and is full of misery. He cometh up, and is cut down like a flower; he fleeth as it were a shadow, and never continueth in one stay.
Page 60 - Any lime-water may be mixed with another, and any solution of bicarbonate of lime with another, without any change being produced. The clearness of the mixed solutions would be undisturbed. Not so, however, if limewater be mixed with a solution of bicarbonate of lime. Very soon a haziness appears ; this deepens into a whiteness, and the mixture soon acquires the appearance of a well-mixed whitewash. When the white matter ceases to be produced it subsides, and, in process of time, leaves the water...
Page 174 - ... the principal dimensions of the Engines and Vessels, draught of water, tonnage, speed, consumption of fuel, &c. 23. The best forms for river and seagoing Steam Vessels ; with practical examples.
Page 175 - On the drainage and sewerage of large towns, exemplified by accounts of the systems at present pursued with regard to the level and position of the outfall, the form, dimensions, and material of the sewers, the prevention of emanations from them, the arrangements for connecting the house drains with the public sewers...
Page 59 - To understand the nature of the process, it will be necessary to advert, in a general way, to a few long-known chemical properties of the familiar substance chalk ; for chalk at once forms the bulk of the chemical impurity that the process will separate from water, and is the material whence the ingredient for effecting the separation will be obtained.
Page 182 - The Canadian Journal ; a Repertory of Industry, Science and Art ; and a Record of the Proceedings of the Canadian Institute.
Page 60 - ... at the same time that the other pound of chalk, being deprived of the extra seven ounces of carbonic acid that kept it in solution, re-appears. Both pounds of chalk will be found at the bottom, after subsidence. The 600 gallons of water will remain above, clear and colourless, without holding in solution any sensible quantity either of quick-lime, or of bi-carbonate of lime.
Page 183 - Clark, DK Railway Machinery. A Treatise on the Mechanical Engineering of Railways, &c.