Mechanics via the calculus, by P. W. Norris and W. Seymour Legge. Norris, P. W. (Percy William), 1884- Legge, W. Seymour (William Seymour), 1881- joint author. Mechanics. Calculus. QA805 .N7 1950 531 19 NOM London, Cleaver-Hume Press; New York, Dover Publications [1950] [1950] 1950 Text xii, 367 p. eng