The Colonial RecordRecords of Colonial Australia

other · 1855

William Reid Douglas, an engineer from Melbourne, has petitioned for Letters Patent for an invention of a machine for separating precious metals using hydrostatic principles.

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PETITION FOR LETTERS PATENT. OTICE is hereby given that WILLIAM REID DOUGLAS, of Melbourne, engineer, …

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Recorded in this notice

Victoria Government Gazette, No. 129, 1855.