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Halaman 709
There is no evidence that any difficulty is much higher rating appear to be necessary to give experienced in obtaining with wood arms any even approximately as satisfactory performance degree of mechanical strength or of durability when ...
There is no evidence that any difficulty is much higher rating appear to be necessary to give experienced in obtaining with wood arms any even approximately as satisfactory performance degree of mechanical strength or of durability when ...
Halaman 762
Ten years has ing demand from both the pole users and producers so changed the situation , however , that if chestnut for the revision of the present wood pole specifica- poles are to be used in quantity it will be necessary tions .
Ten years has ing demand from both the pole users and producers so changed the situation , however , that if chestnut for the revision of the present wood pole specifica- poles are to be used in quantity it will be necessary tions .
Halaman 921
This system presents several objectionable features ; —It is necessary to shut down the unit each time the oil is changed , —this operation being left to the discretion of the turbine operator and must be scheduled in accordance with ...
This system presents several objectionable features ; —It is necessary to shut down the unit each time the oil is changed , —this operation being left to the discretion of the turbine operator and must be scheduled in accordance with ...
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amount arms arrangement average boiler burners capacity carried cause cent circuit close coal Committee Company conductor connection considerable construction cost covering desired draft economizer effect efficiency Electric Engineering equipment experience feed feet fire fuel furnace give given ground wires heat higher hour important inch increased indicate installed insulators interest iron less Light lignite limit load loss lower manufacturers material means mechanical method necessary obtained operation pins pipe plant poles possible practice present pressure problem production pulverized pump reduced removed shown shows specifications standard station steam steel stoker superheat supply surface TABLE tank temperature tion treated treatment trouble tubes turbine units usually valve voltage wood