Show nan the he pyramids arami ds of 0 bieh herodotus records that workmen toiled for a generation to build the great pyramids of gizea tombs for egypto kings icings cubes of stone as large as ten feet were quarried by driving wooden wedges into grooves in the rock and then soaking them with water the swelling of the wedges cracked the stone which was transported to the nile over mountains and valleys on water bound rock roads similar to macadam roads explosives have replaced slave labor and have made possible the economical production n of ore coal and rock products required by modern civilization but in choosing the most economical explosive for each job there still remains an opportunity to prevent waste there is no explosive that is universally the most economical but hercules special no 1 often reduces blasting costs we have recommended it for several years because it contains about 35 percent more cartridges per box than 40 extra dynamite which it frequently replaces cartridge for cartridge thereby reducing blasting C costs approximately abely 25 percent 0 hercules special no I 1 contains nothing but the highest grade of standard materials its wide use for years is proof of its economy and dependability we will gladly tell you whether it is suited for your work our new book eliminating waste in blast ing was written to help you reduce blasting costs write to our advertising department 93 7 king street wilmington delaware for a free copy am IVY allentown pa chicago III hazleton pa louisville ky pittsburgh pa salt lake city utah birmingham ala denver colo huntington W va new york city pottsville spottsville Potts ville pa san francisco cal buffalo N Y duluth minn joplin mo norristown nom brown pa st louis mo Wilkes barre pa chattanooga tenn los 1 05 angeles cal pittsburg kan wilmington del |