Show 17 A I 1 7 7 JEW al xvi WT AA AU 4 E WT 7 1 0 N x A nr IX loading herco powder for a Herco blast V fir fird T T d A nationwide wide success we are continually receiving reports of large Herco blasts involving as high as kegs keg 3 of powder in quarries scattered from wisconsin to texas and Pennsylvania from to california in every one of these shots results have been entirely satisfactory and explosives costs re deuced about thirty percent as the blasting method an bounced last april by the hercules powder co is known consists of column loading black powder in well drill holes and firing it with cordeau it is applicable in quarries and other operations where column loading of dynamite has proved economical it is not suitable where the slow heaving beaving effect of pocket loads is re quiren herco blasting powder is more economical and effective than other granulations for herco blasting because it is composed of grains of various sizes sices in the drill hole the finer grains fill the spaces between the larger ones there fore with herco blasting powder a heavier explosives charge is concentrated at the toe where it is most needed our service division king street wit wil delaware will wi I 1 gladly assist you in determining whether Herco erco blasting is suited for your work 20 W av ME hazleton pd louisville ky pittsburgh PA sait sa atla take city utah allentown AUen pa chicago HL pas town s W va new york city Potts spottsville pottsville ville pa san francisco cm cal colo huntington Bi birmingham mingham A ala denver norristown pa st SL lows louis mo Wilkes barre pa N Y duluth diduch minn joplin JoI in mo del chattanooga tenn los angeles cal pittsburg pi kan wilmington |