1851 Great Exhibition: Official Catalogue: Class IX.: George Thompson
From Graces Guide
105. THOMPSON, GEORGE, 18 Great George St., Westminster — Inventor.
Patent machine for digging and turning over earth, which may also be used as a cultivator or scarifier, by substituting one or more hoes or coulters, in place of each spade.
Working model of part of another digging-machine, of a lighter construction; to be worked in a similar manner, but having only one row of spades; for use on light soils, and adapted for forming broad or narrow ridges.
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