Gold Saving Apparatus.

Thames Star, Volume XIII, Issue 4289, 29 September 1882, Page 2

Gold Saving Apparatus.

An exhibition,of Mr Aires' patent gold saving apparatus took-plaop at the OfcaßO Foundry,. Dunedin, on September 15. Among 5 the visitors VertfProfetfstfr Ulrich and sereral students of the-PUga School of MinesV The operationsJ were sufpeWntended by Mr P. F. Daniels, of the Otago School of Mines. . Some.y^iy fine gold weighing* loz 6dwts was mixed with a con* ■'siderable; quantity; Jof' ];«and;(;n§nd. ,?<jrat through the apparatus. Thei stuff " was then put into the. hopper at the top of the amalgamatinKijrboiev^-which number. a f dozen, ,*and '"are^vety Ingeniously made. Each of *'these* boxes contains ten ■ slides ? covered with quicksilver, and strips of copper are placed longitudinally. On either side, of each box is placed an outlet for the sand, and, the .case,containing, the boxes is made t^:filingll^ckw^i}B|and'|f^t^ghile the boxes swing alternately east and west, so that four distinct movements are gained. The apparatus is prepared for a fire-head battery. Assuming' kthat the gold esjpjipes?fromf tjiejquicklilf^riia .'^M>|Mg^a^ii|^lli upon the copper plate beneath, anamight then pasi brer' the amilgilciitiijj: roller, under the anialgamator neat tUfemef.<jury welj; and then'on totheendless-.trayelling blanket. It is- interettingto ob»erire that the blanket hasbeaoingeniousiyJnMde to move against the-skncl, and if tliere be any gold on the blanket it'is^securecbby the three amalgauating rollery,'and«the: sand is waished"away-^aß^ebriS.<l=Th'e-K)ller« continually run in mercury wells, so that they are always kept clean and fresh. The '"water^supply--'ait thejfottndryiberaff^B^raewhat defective'for rthe apparatus, the esperiment was not qfiite so satisfactory as it might^hayS;been;. tfowiveri'jnearl^li'the gold was saTedfn^he'firsTiihTegj^Qxegi ■ ■ ■■■■■■ •■- - •- ' -.VJEg . :-."