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Dunn, Samuel,
An introduction to the theory and use of the pantographer, as made and improved by Thomas Newman, (successor to Mess. Heath and Wing,) mathematical instrument maker in Exeter change : shewing the nature of construction, and the manner of using it in copying drawings of figures, ornaments, plans, maps, charts, &c. , 1774
An introduction to the theory and use of the pantographer, as made and improved by Thomas Newman, (successor to Mess. Heath and Wing,) mathematical instrument maker in Exeter change : shewing the nature of construction, and the manner of using it in copying drawings of figures, ornaments, plans, maps, charts, &c. , 1774
