1851 Great Exhibition: Official Catalogue: Class IX.: George Ponton
From Graces Guide
104. PONTON, GEORGE, Grangefoot, Linlithgow, Scotland — Manufacturer.
Improved two-horse swing-plough, for lea and general purposes.
Two-horse plough, for forming drills; reduced in draught, and adapted for any soil.
New one-row bean-sowing machine, which can be thrown out of gear at the turnings, to save labour.
All invented, or improved and made by the exhibitor.
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