TY  - BOOK
AU  - Draper,ChasH.
ED  - Asutosh Collection (National Library, India)
TI  - An elementary text-book of light, heat and sound: with numerous examples 
U1  - 530 
PY  - 1893///
CY  - London
PB  - Blackie
KW  - Light
KW  - Heat
KW  - Sound
KW  - Physical Science
N1  - Includes index
ER  -