Polariscope with fixtures (lacquered brass) mounted between
two steel rods (length 42.2 cm). Circular base (lacquered
brass, diameter 12.3 cm) mounted on square (22 cm) mahogany
base (height 10 cm) with drawer. Fixtures include mirrored
base, glass polarizing plate, circular stage, 3 condensing
lenses, specimen holder and black glass analyzer plate.
Signed on drawer "HANS HEELE | Werkstätten für
| PRÄZISIONSOPTIK & MECHANIK | BERLIN, 0.27",
1st half 20th century.
Collection: private collection