Australian Town and Country Journal (Sydney, NSW : 1870 - 1919), Saturday 15 March 1902, page 25


Australasian Mining Patents.

The following complete Bpeciflcíati'on.s (have laitely ¡been accepted in tihe various States undermentioned, and lebtars patent will therefore issue to 'tihe applicants in due 'Course. This report Is furnished hy Mr. Fred Walsh, patenlt agent, 23 Elizahetlh-sibreet, (Sydney, from iwhom further intformiaition may he obtained.

lAlmalgamator.-W. S. HazeitoM, Windsor, Vic: 'An improved hydirositatio ahnlalgamating apparatus for extracting gold and silver from slimes auld other products. Now iSoultih Wales, February 24. No. 10,852.-IA. 'IA. Francis, Barmiaigo, ¡Kary: Improvements in ore-coneenibraltinig apparatus. Tasmania, Fehmiiary 25. No. 3304.--fW. .Smetlhiuirst, Dolgelly, North Wales: A new and useful improved: gravitation concentrator- for ores and slimes. Vi citoria, February 2¡6.. No. 18,654.L. E. de (Mole, Kalgoorlie, W.A.: Oyllndrical ore oomcenitraitcir. West Australia, February 7. No. S7'23.-W. G. Dodd, 'San Francisco, U.S.A.: Ore .concentraiboirs. Victoria, February 26. No. 1S,909.--The Wilfley Ore Concenltiraltor Syndicate, Limited, London: Improvements in ore cone entra -.tors. Vicltaria, Fefbruary 26. Nos. 18,911 and 18,912. West Australia, February 7, No. 3718.

(Explosives.--Olendrock Polwer Company, New York, U.'SJA. : improvements1 in explosive compoumds. Victoria, Feibruary 26. . No. 18,661.R. Kandier, Dresden, Germlamy: Process ¡for tihe rnianu'facture of a safety explosive reseambling dynamite. Queensland, February 22. . No. 6326.

iRock Drills.-L. and Li. PneumialMc Tool iCompany of Ohiciaigo, Illinois, 'U.S.A.: Improvements in rook drills. West Australia, February 7. No. 3724.-'Davis Oalyx Drill Company, New York, U.iSJA. : Improvements in pirOcess auld apparatus for 'boring holes in rock or similar (material in the earth's strata. Victoria, Feibruiary -26. No. 18,i905. West Australia, February 7. No. 3728.

(Separator ((Magnetic).-F. J. Odlinig amidi W. Jamieson, Melbourne, Vic: Improved! process' for miagnetidaJ'Ly separating pulverised1 ores, sulphide or otherwise, tfrcimi ;tiheir gamfgue, or rroim each other. Queensland', February 22. No. 6095.--F. J. Odlinlg land W. Jamieson,, .Melbourne, Vic. : An. improved magnetic separator for pulverised' ores and other materials. New South Wales, Feibruary 25 No. 11,800.

Stomp Mills.-¡D. OJ. Morison, iHlarblepool, Durham, Etaigland: Improvements in mortar boxes' for s tamp mille. Victori a, Febru ary 26. No. 18,873.

Zinc (Obtaining).-E. «H. (Hopkins, Middlesex, Bnigland: Improved process for. oltítiaininig zinc. Victoria, February 26, No. 18,'691.