TY  - BOOK
AU  - Bragg, Sir William Henry
TI  - THE UNIVERSE OF LIGHT
U1  - 535 
PY  - 1945///
CY  - 
PB  - G. Bell & Sons Ltd.
KW  - Light
KW  - Color
N1  - Each Of The Two Coloured Plates Accompanied By Guard Sheet With Descriptive Letterpress
ER  -