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Description
An intermediate form1 between the skips just described and the grab is illustrated in the Figure, which shows the jaws in an open and in a closed position. This appliance was used for a variety of purposes—for unloading minerals and grain for instance—in which case the receptacle was filled by hand, and then swung by means of the crane into position in order to deliver to the spot at which the discharge was required, when the contents were deposited by means of the two outer chains.
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