The New Knowledge a popular account of the New Physics and the New Chemistry in their relation to the New Theory of Matter

RK Duncan’s study of developments in Physics and Chemistry in the late 19th and early 20th Centuries; The Period Law, Gaseous Ions, Radio-Activity, The Resolution of the Atom, Inorganic Evolution; b&w photo illustrations and text charts; heavy tanning to endpapers, prelims and text block, sections generally loose (but holding) sometimes showing through at gutters to inner spine, some lighter foxing in text; the former owner has added to rear endpapers in blue ink a short list of elements added since 1939 (and noted this – again in blue ink – to head of chapter II); boards rubbed, sunned/tanned to spine, and with trails of insect damage.