. Mining and Scientific Press . w general offices at 2S2S Smallman St., Pittsburgh,Pennsylvania. This arrangement will enable it to rendermore efficl Ice to its clients, as the organization will ? thoroughly co-ordinated and augmented with additionalpersonnel ind facilities. The companys new offices, ad-jacent to its city factory, have been completed. Removalto the new quarters took place on August 1. Volume \ Weight, a new booklet issued by the HerculesPowder <.. presents a phase of the explosive questionwhich the average user very seldom considers. An impor-tant point which should not be
. Mining and Scientific Press . w general offices at 2S2S Smallman St., Pittsburgh,Pennsylvania. This arrangement will enable it to rendermore efficl Ice to its clients, as the organization will ? thoroughly co-ordinated and augmented with additionalpersonnel ind facilities. The companys new offices, ad-jacent to its city factory, have been completed. Removalto the new quarters took place on August 1. Volume \ Weight, a new booklet issued by the HerculesPowder <.. presents a phase of the explosive questionwhich the average user very seldom considers. An impor-tant point which should not be overlooked is that thebulky explosives, such as Special No. 1 or llerconnte, mayshow a tot saving over costs obtained by using the regulargrades of dynamite Everyone interested in reducing blast-ing costs should read this booklet. It may be obtained ire,-,by writing to the Advertising Department. Hercules PowderWilmington. Delaware, or to any branch office of thecomp October 1. 1 MINIM, AM) S< i, MI! |< PRI •7. 7(WM . A L iiiiiiiiiniiiiiiiiii T. A. K1CKARD, .... Kdxtcr iiiiiiiiiiii mm AGITATION plays an importanl pari in flotation; il isntial in many applications of the process, It majbe applied indirectly or directly; purposely, or it i resell as a con ritanl of Bome phase of pulp convej ai In the majority of instances it involves expense forpower, and careful adjustment; hence the desirabililstudying the matter from all angles. n another pageof this issue we publish an article m the subject by <?. Moses, the fiotatioi • i for the Barretl pany. Mr. M onection with the (. S. Bureau of Mines will bo recalled, when he made interag contributions to the technology of graphite and onthe influence of colloids in flotation. Dis. DSSION this week includes two letters on th<mining law, the tirst from Mr. L. 0. Eoward, Dof the School of Mines and leology, in the state Collegeof
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