1851 Great Exhibition: Official Catalogue: Class IX.: R. J. Blyth
154. BLYTH, R. J., Norwich — Inventor and Manufacturer.
Four-horse power portable horse works.
Four-horse power registered portable bolting thrashing machine, for steam or horse power; with light spindle flanges, and round hollow beaters, so formed as to meet small resistance from the atmosphere, and having little friction; it will thrash about 70 quarters of wheat per day, with four horses. The cut represents this machine.
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