, and hence it was con- only have these metallic globules been detected in the jectured that whenever meteoric iron enters our atmosphere air and water of widely separated places, but they are outrigger or hatchway hoist, and a crane or derrick hoist, for which several valuable advantages are… … convenient steam main on the locomo- case usually when the large gears are MASON'S DERRICK HOIST. tive, is tapped for a small pipe, in applied outside and the drum inside which is a valve, by which the engineer the bearings. The use of two gears in- view is confirmed by microscopic examination of…
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