Show takes much to move america ca eleven million horse power required to turn he the wheels of ol commerce in this great country new york heads the list of states in the use of water for that purpose the motive power used in the manufacturing establishments ol 01 the united states in 1900 according to a census report aggregated horse power as compared with S 5 horse power in 1890 3 horse power in 1880 and 2 in 1870 of the total power used in manufactures during the census year steam engines f irnis irmsher hed 8 horse power or 77 4 per cent of the ag gregath water wheels supplied 1727 1 horse power or 15 33 per cent electric motors horse power or 2 7 per cent gas and gasoline en gines horse powei or 13 1 3 per cent rented power was used to the extent of horse power or 28 per cent of the total of this rented power hoise power was from other sources of energy the statistics in the report relate to manufacturing operations only and do not include any portion of the vast amount of power used yearly for other purposes during 1900 over 1200 1 electric railway lines were in operation in the united states and the total capacity of their power plants exceed ed 1000 1 horse power there are over 3 central stations for the distribution of electric current tor for lighting and power purposes and the total amount of steam power used to generate it Is estimated to be more than 1500 1 horse power one company alone in new york city oper ates several central stations aagre gating nearly horse power while the isolated electrical plants in that city represented over horse power the modern office build in ing often housing a population equa equal to that of a small town is almost wholly a creat on of the last ten years and the power required in these great structures forms a large item when the number of these buildings in the united states is taken into considers con sidera tion as about 1000 horse power Is required to operate the I 1 ahting plant elevators pumps compressors and ventilators in a sixteen story modern building containing offices new york leads the list of states in the use of water power having horse power derived from this source in 1900 against in 1890 ari ail increase inci ease of horse power or 57 6 per cent directly traceable to the great expansion of the wood pulp in austry in that state |