Watson & Sons, London
Polarizing microscope (lacquered brass) with black lacquered
body tube, black enameled iron limb and horseshoe base,
in fitted mahogany case with accessories.
Main focus by rack and pinion and fine focusing knob on
the limb. Circular rotating stage with 360-degree scale.
Swing out polarizer (Nicol prism). The analyzer (Nicol
prism) is fitted on a sliding shoe into the lower part
of the body tube. Height 32 cm.
Signed on the body tube "W. Watson & Sons, Ltd
| London", and serial number "40247", ca.
Collection: private collection