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by Helsham, Richard
Published 1778
Subjects:
“...Mechanics...”Published 1778
Printed for William Sleater, James Williams, and William HallHead
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by Helsham, Richard
Published 1739
Subjects:
“...Mechanics...”Published 1739
printed by R. Reilly, At the University Press. And sold by G. Risk, G. Ewing, and W. Smith, Booksellers in Dame-Street
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by Helsham, Richard
Published 1767
Subjects:
“...Mechanics...”Published 1767
printed for J. Nourse, opposite Katherine-Street in the Strand, Bookseller in Ordinary to his Majesty
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by Helsham, Richard
Published 1755
Subjects:
“...Mechanics / Early works to 1800...”Published 1755
printed for J. Nourse at the Lamb, opposite Katherine-Street, in the Strand