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The description and uses of a new contriv'd eliptical double dial; as also of the universal æquinoctial dial
Which serve to find the latitude, hour of the day, the true meridian, the altitude, azimuth, and declination of the sun; his place in the ecliptick, the time of his rising and setting, length of day and night, &c. With a scheme of each dial curiously engraven. Very useful for all seamen and travellers, and our curious gentry to set, examine, and adjust their pendulums. Whereunto is added a correct table of the latitude of the most eminent cities and towns in Europe; as also a table of equation. By Tho. Tuttell mathematical instument-maker at the Kings-Arms and Globe at Charing-Cross -
The line of proportion or numbers, commonly called Gunter's line made easie
by the which may be measured all manner of superficies and solids as boards, glass, pavement, timber, stone, &c. : also, how to perform the same by a line of equal parts, drawn from the centre of a two-foot rule : whereunto is added, The use of the line of proportion improved : whereby all manner of superficies and solids may both exactly and speedily be measured, without the help of pen or compasses, by inspection, looking only upon the ruler