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A treatise of such mathematical instruments, as are usually put into a portable case : containing their various uses in arithmetic, geometry, trigonometry, architecture, surveying, gunnery, etc., with a short account of the authors who have treated on the proportional compasses and sector. To which is now added an appendix containing the description and use of the gunner's callipers.

The practical surveyor; shewing, ready and certain methods for measuring, mapping and adorning all sorts of lands and waters, by the several instruments used for this purpose: particularly, of a new theodolite ... Extracted from the works of the most experienced artists, by John Hammond.