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Practical draughtsmen's work, with numerous engravings and diagrams (1903)

Hasluck, Paul N. (Paul Nooncree), 1854-1931, ed · Philadelphia, D. McKay · leaf 128

An illustration from Practical draughtsmen's work, with numerous engravings and diagrams, 1903, leaf 128
Fig. 194.—Scale 1 in. = 41-66 ft, : 1056 ft. = 1 mile.

Mechanical drawing

Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.

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