and engineering journal . the pan, which chamberIS partly filled with a chemical absorbent prepara-tion, and combininff with the preparation therebyforms A PERFECTLY PURE, ODOURLESiSSOLID, or by other means treated and allowed toflow away pure. The foecal matter in the pan isautomatically covered with a chemically , rendering it absolutely odourless, and can belioisted to the surface and carted away in opencarts during the daytime. The system itself is far superior to any otherdry earth syst-em, and has been largely ADOPTEDBY THE SOUTH AFRICAN RAILWAYS andby the NEW SOUTH
and engineering journal . the pan, which chamberIS partly filled with a chemical absorbent prepara-tion, and combininff with the preparation therebyforms A PERFECTLY PURE, ODOURLESiSSOLID, or by other means treated and allowed toflow away pure. The foecal matter in the pan isautomatically covered with a chemically , rendering it absolutely odourless, and can belioisted to the surface and carted away in opencarts during the daytime. The system itself is far superior to any otherdry earth syst-em, and has been largely ADOPTEDBY THE SOUTH AFRICAN RAILWAYS andby the NEW SOUTH WALES GOVERNMENTFOR ALL BUILDINGS where no sewerage schemeis in use, also by MANY LEADING PUBLICGENTLEMEN OF SOUTH AFRICA. In simplicity, cleanliness, and convenience it is far aheadof present practice. Mr. DITCHFIELD will be happy to enter intoSpecial Arrangements with Mines, Municipal andother Public Bodies, and, on application, will fur-nish estimates, and, if required, designs for theinstallation and maintenance of the Original Testimonials received by us can be seenon application by anyone interested, at the offices. Box 5408, Telephone No. 5649, JOHANNESBURG Johannesburg, May 29, 1915. THE SOUTH AFRICAN MINING JOURNAL. 31 Mine Safety, Sanitation, and Welfare Bulletin. AMERICAN BUREAU OF MINES RECORD OF PROGRESS. Much Work Done to Prevent Accidents and Explosions. TiiK fourth annual r(|R)il been issued for tin; fiscbrief summary of tlic nioicing the period named statr;explosions and the work at tof explosion-stojiping dL\ic-were developc* I- (;.8. Bureau of Mines hascar ending June 30, 1914. A portant work undertaken dur- iniu^h the study of eoal-nun. rxiHTimrntainnne, , «liiek dust is , H. ntila id idr in Allandd as 1 •)At tlio barriers. Tins uas |mt1,,,i,s tlic of tlir vcar. Tests \the inflow of inflammable gases in dilof the serious and man} of the lessiflres were investigated, and sueli assi;eould be
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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectmineralindustries
