C. Reichert, Wien
Polarizing microscope (lacquered brass) with black enameled iron horseshoe base in mahogany case with accessories.
Main focus by rack and pinion and fine focus by thumbwheel micrometer. Circular rotating stage with 360-degree scale. Polarizer (Nicol prism) with swing
out condenser lens. The analyzer (Nicol prism) is fitted on a sliding shoe into the lower part of the body tube. Interchangeable objectives. Height 36
REICHERT 'HEIMDAL' FIELD MICROSCOPE. Made around 1930. Number 190268. Contains 5X and
10X Reichert oculars, ocular micrometer, Abbe optical condenser, 100X Reichert objective and funnel stop. Attached to the inside of the storage box
are two clips each containing tiny ground-glass stoppered bottles (for immersion oil and solvent e.g. xylene). All packed into an aluminium case which
is in turn packed in to an outer leather case with strap for carrying. It resembles a binocular case. A similar instrument can be found in an article
by D.B. Payne, 'The Reichert 'Heimdal' Field Microscope after F.K. Reinsch'. In Microscopy 1977, vol. 33, part 4, pp.201-206.