TY  - BOOK
ED  - Watson sons limited 
TI  - Watson Centenary, 1837-1937
U1  - 926 21st ed.
PY  - 1937///
CY  - England
PB  - W. Watson and Sons, LTD.
KW  - William Watson Biography,
KW  - Microscopes
KW  -  Instruments
ER  -