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Halaman 797
a was to those brushed on the experimental poles in the was no appreciable difference in the rate of decay Warren - Buffalo line . With the exception of a few of the chestnut poles set when in a green condition green poles coated with ...
a was to those brushed on the experimental poles in the was no appreciable difference in the rate of decay Warren - Buffalo line . With the exception of a few of the chestnut poles set when in a green condition green poles coated with ...
Halaman 803
Poles treated with a combination of zinc chloride and creosote were in better condition than the brush - treated poles , but in much worse condition than the poles given an open - tank treatment with creosote .
Poles treated with a combination of zinc chloride and creosote were in better condition than the brush - treated poles , but in much worse condition than the poles given an open - tank treatment with creosote .
Halaman 811
Poles differing in seasoning class as hereinafter specified shall not be treated in the same charge . Seasoning Classes : Poles shall be subdivided into classes for separate treatments with respect to their period of seasoning as ...
Poles differing in seasoning class as hereinafter specified shall not be treated in the same charge . Seasoning Classes : Poles shall be subdivided into classes for separate treatments with respect to their period of seasoning as ...
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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