India rubber world . report of our company admits a net income ofonly The mystery has remained inpenetrable while speculatorswere accumulating our stock at low prices. They have nowsecured at least 60 for themselves, while depositing stockholdershave received 50 per cent, only, in United States Rubber com-pany second preferred stock. a. heckscher. New York, June 27. MACHINE FOR GRINDING RUBBER TILING. ANEW machine designed for the grinding of either inter-locking or sheet tiling of rubber is shown in the accom-panying illustration. The necessity for grinding rubber tilingarises fr
India rubber world . report of our company admits a net income ofonly The mystery has remained inpenetrable while speculatorswere accumulating our stock at low prices. They have nowsecured at least 60 for themselves, while depositing stockholdershave received 50 per cent, only, in United States Rubber com-pany second preferred stock. a. heckscher. New York, June 27. MACHINE FOR GRINDING RUBBER TILING. ANEW machine designed for the grinding of either inter-locking or sheet tiling of rubber is shown in the accom-panying illustration. The necessity for grinding rubber tilingarises from the fact that the surface is apt to be slightly dis-colored by the preparation applied to the plates to keep it fromsticking during vulcanization. The machine itself is quite sim-ple, its salient feature being a large drum covered with emeryor carborundum, held in place by glue, revolving at a speedfrom 1500 to 1800 revolutions a minute. The feeding isdone by means of the friction of the grinding roll and the two. smaller rolls placed on the bed of the machine. The machineis made in two sizes, the larger taking tiling up to 4 feet inwidth and the smaller up to 2 feet and is adjustable for anythickness up to one inch. As tiling thickness usually variesfrom /s to ^i of an inch it will be seen that there is ampleclearance and adjustment for anything in that line. Duringoperation very little is taken off by the grinding, the surfacebeing left perfectly clean and absolutely even. Under ordinaryconditions the goods are run through the machine but once,although in special cases they may be run through again andagain without injury. This machine, which is now in use insome of the largest rubber factories in the United States, ismanufactured by A. Adamson, Akron, Ohio. BUKIT RAJAH RUBBER CO., LIMITED. [See The India Rubber World, May i, 1004—page 27^.] THE report presented at the second annual meeting of share-holders at the Londn office, on July 25, 1905, showed re-ceipts for the
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