TY  - GEN
AU  - Penney, A.C.
TI  - Everyday heat, light and sound
PY  - 1946///
CY  - London
PB  - Edward Arnold
KW  - Physics
KW  - Heat
KW  - Light
KW  - Sound
N1  - Includes index; "WEEDED-OUT-2009"   (R-16,s.n.-1485)
ER  -