Year/Period |
1924 |
Maker |
WATSON & SONS |
Country |
United Kingdom |
Signature |
“SERVICE” / W. Watson & Sons, Ltd / London / 34426. Patent 194099 |
Category |
Microscopes |
Optical 1 |
Compound |
Optical 2 |
Achromatic |
Inventory number |
SM 72 |