coal such as iron ore corollary equipment and transportation. this paper to make a comparison of the tire type and the type mobile crusher.My invention relates to stone-crushers having one stationary and one vibrating jaw; and it consists of a toggle-bar contrivanee in combination with the crank-shaft and the rod connecting it with the movable bar in a manner calculated to apply very great force with a comparatively light and simple construction7 which is at the same time simple and durable
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