e objects thus washed per ton would give a hauling force on the drawbar of microscopy is the finding and gathering of objects for from the bag are retained in the bottle for examination. 58,500 1b. The resistance of 760 tons on a two per cent examination. As a rule, cumbersome apparatus has The… … 0 Fig. 1—GATHERING MICROSCOPIC OBJECTS. Hence it is seen that this engine has a considerable THE ST. CLAIR TUNNEL LOCOMOTIVES—THE LARGEST margin in which to work with a clean rail. The rails LOCOMOTIVE IN THE WORLD. staff to which are fitted a knife, a spoon, a hook, anda used will weigh 100 lb.…
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