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1
by Gray, Andrew
Published 1819
Printed for A. Constable
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2
by Gray, Andrew
Published 1806
[Printed by D. Willison, for A. Constable & Co. ... [et al.]
“...Treatise on the construction of some of the most useful machines...”
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3
by Gray, Andrew
Published 1808
Printed for A. Constable
“...Practical treatise on various implements employed in agriculture...”