Ferguson's Lectures on Select Subjects in Mechanics, Hydrostatics, Hydraulics, Pneumatics, Optics, Geography, Astronomy, and Dialing: With Notes and an Appendix Adapted to the Present State of the Arts and Sciences, Volume 2Bell & Bradfute, J. Fairbairn : Mundell, Doig, & Stevenson, Edinburgh : J. & A. Duncan, Glasgow : and T. Ostell ... London, 1806 - Astronomy - 2 pages |
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Common terms and phrases
achromatic altitude angle aperture arch axis axle beam boiler bottom breadth bucket centre of gravity circle circumference concave concave lens construction convex Convex lens crown glass cycloid cylinder declination degrees dial diameter diminished distance divided effect employed epicycloid equal extremity fall feet fixed flint glass float-boards focal length force force of impulsion friction gnomon gudgeons horizontal horses hour-lines impelling power inches inclination increase latitude LECT lens lenses lever load machine machinery mean motion mechanical meridian meridian altitude method mill millstone minute move Newtonian telescopes object glass parallel perpendicular pinion pipe piston plane Plate pounds pv-w quadrant quantity radius raised reflecting telescopes refraction right lines roller rope sails screw shew shewn sine square steam engine stile subtract sun's suppose surface tangent telescope thrashing tion tooth trundle tube turn valve velocity vertical weight wheel wind wind-mills