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Arithmetick and measurement, improv'd by examples and plain demonstrations: Wherein are laid down, The different customary Perches, and other Measures, used in the several Parts of Great Britain and Ireland. Suitable to all artists ; but more especially those who are employed in building, gardening, surveying land, &c. To which is added, The Use of an Instrument (engrav'd on a Copper-Plate) call'd a Tangent Rule, for the taking any given Distance within a Quarter of a Mile. Illustrated with a great Variety of useful Cuts. By William Halfpenny, Architect and Land Surveyor.
- Halfpenny, William, -1755.
- MDCCXLVIII. 
About this work
London : printed for Richard Ware, at the Bible and Sun, on Ludgate-Hill, MDCCXLVIII. 
,vi-vii,,164p.,plate : ill. ; 80.
Electronic reproduction. Farmington Hills, Mich. : Thomson Gale, 2003. (Eighteenth century collections online). Available via the World Wide Web. Access limited by licensing agreements.