Excerpt from The Repertory of Arts, Manufactures, and Agriculture, Vol. 9: Consisting of Original Communications, Specifications of Patent Invention, Practical and Interesting Papers, Selected From the Philosophical Transactions and Scientific Journals of All Nations; Monthly Intelligence Relating to the Useful Arts
Mr. Hanna's for an Improvement in and upon Cranes for raising and lowering Goods into and out of W'arehouses. Sic. And which considerably lessens the Labour that is usually re quired to work them.
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