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Show BITS OF SCIENCE. ' A new electric lantern haa been de-; de-; signed in Vienna for the nse of lecturers and laedieal classes. By a combination of lenses the maguified image of an object is projected ou a white screen in its natural nat-ural colors. The effect of the electric light current on the compasses of some vessels is so great that it becomes necessary to determine de-termine how many hours the dynamo has been running In-fore working ont the vestseVs reckoning. A new sketching apparatus for cyclists has recently appeared iu England." The paper is plaoed on a small board in front of the cyclist, and the work cau be roughly contonred in about half the time ordinarily required. The aborigines of New South Wales show great ingenuity in shaping their harpoon heads for spearing tisb. Instead striving the wood up and down the j grain as we are arenstomed to whittle. ' they turn it ronnd and round and chip i U off across the grain. j |