TY  - BOOK
AU  - Larsen, Egon
TI  - Men who changed the world: : Stories of invention and discovery
PY  - 1952///
CY  - London: 
PB  - The English language book society, 
KW  - Invention and discovery
KW  - Wires talk
KW  - Magic box
KW  - World wheels
ER  -