Ryland, J. (1768). An easy introduction to mechanics, geometry, Plane Trigonometry, Measuring Heights and Distances, Optics, astronomy: To which is prefixed, an essay on the advancement of learning by various modes of recreation. By Mr. John Ryland, of Northampton. Illustrated with twelve copper-plates. For the Use of Schools, as well as private Gentlemen. London: printed for Edward and Charles Dilly, in the Poultry.
Chicago Style CitationRyland, John. An Easy Introduction to Mechanics, Geometry, Plane Trigonometry, Measuring Heights and Distances, Optics, Astronomy: To Which Is Prefixed, an Essay On the Advancement of Learning By Various Modes of Recreation. By Mr. John Ryland, of Northampton. Illustrated With Twelve Copper-plates. For the Use of Schools, As Well As Private Gentlemen. London: printed for Edward and Charles Dilly, in the Poultry, 1768.
MLA CitationRyland, John. An Easy Introduction to Mechanics, Geometry, Plane Trigonometry, Measuring Heights and Distances, Optics, Astronomy: To Which Is Prefixed, an Essay On the Advancement of Learning By Various Modes of Recreation. By Mr. John Ryland, of Northampton. Illustrated With Twelve Copper-plates. For the Use of Schools, As Well As Private Gentlemen. London: printed for Edward and Charles Dilly, in the Poultry, 1768.