Transactions1874 |
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Common terms and phrases
accumulator action Adams alphabetical American locomotives amount applied armature arrangement axle box battery bell bogie boiler brake power capstans carriages carried cast iron cent centre chain circuit coal coefficient of friction coil conductor connection construction continuous brake cost crane cylinder distance driver electric current electric telegraph electro-magnet employed engine feet 10 inches fire box fitted frame gauge Government hydraulic hydraulic machinery inches diameter inches long inches wide increased J. H. ADAMS length lever magnet ment metal miles per hour Milford Haven motion needle North London Railway Nursey obtained paper passing PENDRED pier piles pipe piston placed plate poles position present pressure produce railway Railway Brakes regard relay retarding force reversed sewage side soft iron speed spring steam steel sulphate surface telegraph instrument tension tons train tubes valve weight whilst wire wrought iron zinc
Popular passages
Page 71 - Magnetic forces are created by regions in magnets called magnetic poles. All magnets have a north and a south pole. The north pole of one magnet will repel the north pole of another magnet; the same holds true for south poles. The south pole of one magnet will attract the north pole of another magnet.
Page 91 - ... floating basin twenty acres in extent, twelve of which will have a depth of 24 feet at neap tides, and upwards of 3000 feet of wharf frontage, with appliances for shipping from 6000 to 7000 tons of coal per day, and capable of being enlarged as may be required ; a graving dock 500 feet in length and 90 feet in width, with a depth of water on the sill of 28 feet at neap tides, and a jetty and floating pier outside the basin, at which vessels drawing 24 feet can lie afloat at all times of tide....
Page 114 - This expression shows that, the work accumulated in a moving body is equal to the square of the velocity in feet per second, multiplied by the weight of the body in Ibs., and divided by 2 x 32£.
Page 16 - Sandstone, and other superincumbent strata ; to inquire as to the quantity of coal at present consumed in the various branches of manufacture, for steam navigation, and for domestic purposes, as well as the quantity exported ; and how far...
Page 5 - No process has yet been devised of cleansing surface-water once contaminated with sewage, so as to make it safe for drinking." And again : " Among the numerous processes for the cleansing of polluted water with which we have been acquainted, there is not one which is sufficiently effective to warrant the use for drinking of water which has once been contaminated with sewage or other similar noxious animal matters.
Page 14 - GENERALLY, Not before mentioned, have received small amounts. From the preceding statements, prepared with considerable labor from treasury documents, some idea may be formed of the importance of this branch of American man. ufactures, which is yet in its infancy, and struggling under many difficulties. It is gratifying to find that American goods are making their way to almost every portion of the globe to which our commerce extends ; and although to many places the amount of export is at present...