Architect and engineer . ress has been made in im-proving the adaptability of coal-tar creo-sote as a preservative. The developmentby the Reilly Laboratories, Indianapolis, ofthe Reilly Transparent Penetrating Creo-sote removed many objections to crudecreosote and is considered a distinct ad-vance in the art of wood preservation. Thepreservative is a highly refined blendedcoal-tar creosote oil from which have beenremoved those substances which impartcolor and also those which impede penetra-tion into the wood. The oil was developedto fill a need for coal-tar creosote free fromthe objectionable


Architect and engineer . ress has been made in im-proving the adaptability of coal-tar creo-sote as a preservative. The developmentby the Reilly Laboratories, Indianapolis, ofthe Reilly Transparent Penetrating Creo-sote removed many objections to crudecreosote and is considered a distinct ad-vance in the art of wood preservation. Thepreservative is a highly refined blendedcoal-tar creosote oil from which have beenremoved those substances which impartcolor and also those which impede penetra-tion into the wood. The oil was developedto fill a need for coal-tar creosote free fromthe objectionable qualities of crude creo-sote oil, such as its color and the difficultyof color painting wood treated with it. Thenew oil overcomes these objections andmakes pressure-treated wood available forall types of building purposes. Next month Mr. Brown will discuss thegeneral recommendations [or the preven-tion of termite damage. THE ARCHITECT AND ENGINEER ^ 46 ^ MARCH. NINETEEN THIKTY-FOUR Engineering and Building Construction. CONCRETE CENTER ANCHORAGE between thetwin suspension bridges of the West Bay crossing FEATURING ARCHITECTURAL STUDIES OF DESIGNS FORCONCRETE MASSES, SAN FRANCISCO BAY BRIDGE ^ 47 ?


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