An essay on mechanical geometry, explanatory of a set of models

180 degrees alſo baſe Book bounded breadth Briſtol called circle circumference coincide common compaſſes conceived cone conſequently contained convenient Copies Corollary cover cube cylinder Definition deſcribe diameter direct diſtance divided draw drawn equal Eſq Euclid exactly extremes feet fides figure four gallons Geometry give given globe greater half height Hence inches itſelf length leſs leſſer London marked mathematical mean meaſure mechanical meeting method moſt multiplied muſt named Note object oppoſite parallel parallelogram perpendicular piece planes pole preſent PROBLEM proportion propoſitions prove purpoſe pyramid radius reaſon rectangle repreſent reſpect right angles right line root rule ſame ſhall ſhould ſide sides ſimilar ſmall ſolid ſome ſquare taken term Theorem theſe thing third thoſe triangle uſe whole yards young