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The Bernard Grab in Four Positions
Der Bernard Greifer in vier Positionen

Premi per ingrandirePremi per ingrandire Description

The Barnard Grab.—The latest development of the single-chain grab is the
invention of Mr D. J. Barnard, and is manufactured by Messrs William Goodacre &
Sons, Ltd., of London. Such a grab, in its simplest form, is illustrated in the Figures.

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Documents: The mechanical handling & storing of material  [Streambook]
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