J.H. Steward, London
Set of different instruments in glass fronted wooden cabinet
(lacquered black, 30.2 x 22.6 x 13.2 cm). The items include:
microscope (lacquered and black lacquered brass, height
27 cm) signed on the base "J.H. STEWARD. LONDON."
with two specimen holders; bull's eye condenser lens (lacquered
brass); tweezers; refractometer (lacquered and black lacquered
brass, 7.8 x 4.2 cm), signed "J.H. STEWARD | LONDON"
and numbered "267"; dichroscope (lacquered and
black lacquered brass, tube length 6.4 cm, diameter 1.1
cm), signed "J.H. STEWARD | LONDON"; separate
compartment with mahogany box with glass bottles containing
heavy liquids (methylene iodide etc.); stone tester (three
hardness points and gauge, nickel plated brass), with
instruction leaflet (12.8 x 7.3 cm).
First half 20th century.
microscope and bull's eye condenser lens
refractometer and dichroscope
set with heavy liquids
instruction leaflet for "Handy Stone Gauge & Tester"
"Handy Stone Gauge & Tester"