Gregory, Sir Richard creator Collins, Betty. London Macmillan c1946 479 p. : ill ; 24 cm. Measurement of Space and Time (Page-1), Mass, Weight and Density (Page-31), Physical Properties and States of Matter (Page-41), Liquid Pressure (Page-57), Pressure of the Atmosphere (Page-73), Propagation Through Air (Page-95), Motion, Force, Gravity, Work and Power (Page-101), Parallel Forces (Page-119), Effects of Heat (Page-137), Quantity of Heat (Page-159), Transference of Heat (Page-195), Light (Page-217), Magnetism and Current Electricity (Page-245), Static Electricity (Page-281), Introductory Chemistry (Page-295), Burning and Rusting (Page-305), The Chief Gases of the Air (Page-323), Water (Page-341), Sulphur (Page-355), Carbon and Coal Combustion (Page-363). Sir Richard Gregory, Bart and F W Hodges Experimenting with science 500.954,GRE 0531111660 93031074 20230315121748.0