Set of 12 trial lenses and a pair of trial frames, Europe, 1880-1920
1880-1920
Pocket size trial case
Trial case
1850-1930
Lens trier
1805-1845
Set of trial lenses in case
Case of trial lenses
1880-1920
Set of 42 pairs of trial lenses
1880-1910
Set of sixteen lenses
1880-1920
Rectangular wooden case containing twelve circular trial lenses with conical depressions
1880-1920
Set of 20 trial lenses
1890-1930
Trial case in wooden case
1831-1870
Trial case containing over 250 lenses
Square brown leather covered case containing 82 lenses and a pair of trial frames
1870-1920
Trial case containing 16 lenses
Set of trial lenses
1880-1930
Graduated semicircular metal trial frames
1891-1910
5 pairs of lenses for sight testing
1850-1914
Set of trial lenses
1870-1930
11 single oval trial lenses
1790-1920
Trial lens mounted in metal ring with loop handle
1891-1930
Pink tinted trial lens, English, 1851-1920
1851-1920
Dark green glass lens mounted in silver plated ring with handle
1891-1930
Turquoise tinted trial lens mounted in silver plated ring with handle
1891-1930
Oval trial lens in nickel plated(?) rim with hooks
1891-1940
Trial lens, mounted in ring with handle
1891-1940
Trial lens with moulded rim
1891-1940
Blue-tinted trial lens
1891-1930
Circular tinted lens
1890-1930
Yellow-tinted trial lens
1891-1940
Circular tinted lens
1891-1930
Trial lens mounted in nickel plated(?) metal ring
1891-1940
Half-frost trial lens mounted in nickel plated(?)
1891-1940
Trial lens in brass ring-mount with loop handle
1891-1940
Circular tinted lens
1891-1930
Trial lens mounted in brass ring with handle
1891-1940
Six sets of eye testing spectacles
1850-1900
Three pairs of sight testing spectacles in horn(?)
1850-1925
Set of 6 steel framed trial spectacles hinged together inside steel covers
1850-1920
Pair of blue tinted lenses in horn lorgnette frame
1850-1920
Four sets of sight testing spectacles in bakelite(
1850-1925
Set of 6 semi circular lenses in black leather covered case
1880-1920
Set of trial lenses
1820-1900
6 pairs of testing lenses in horn holder
1850-1914
Pair trial lenses
1870-1930
5 sets of sight testing spectacles in horn holder
1850-1914
6 pairs of lenses for sight testing
1850-1914
7 sets of sight testing spectacles in horn holder
1850-1914
8 sight testing lenses
1850-1914
7 sets of sight testing spectacles in horn holder
1850-1914
Eight sets of sight testing spectacles in horn(?)
1850-1914