Physics, Part I (Catechism series)
Undated but circa 1950. 72pp, illustrated with work formulae, diagrams, etc. In stiff printed card covers (gently worn, scuffed on spine base, one corner has cross creases). The first few leaves also affected by cross corner creases, previous owner's name dated 1956 on title page, else internally neat, clean, bright and tight. A general introduction to the study of physics, with chapters on the Properties of Matter; Work and Energy; Statics; Dynamical Illustration; Hydrodynamics and Elasticity; Molecular Physics etc. 12mo
