Set of 12 trial lenses and a pair of trial frames, Europe, 1880-1920
1880-1920
Trial case
1890-1900
Miniature trial case
Pocket size trial case
Six sets of eye testing spectacles
1850-1900
Trial case
1850-1930
Set of 42 pairs of trial lenses
1880-1910
Rectangular wooden case containing twelve circular trial lenses with conical depressions
1880-1920
Set of 20 trial lenses
1890-1930
Set of trial lenses
1880-1930
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
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
7 sets of sight testing spectacles in horn holder
1850-1914
Five sets of sight testing spectacles in horn(?) h
1850-1914
Pair of trial lenses
1870-1930
Set of ttrial lenses
1870-1930
Pair of trial lenses
1870-1930
Set of trial lenses
1870-1930
6 sets of sight testing spectacles
1850-1914
Set of trial lenses
1870-1930
Set of 7 paired trial lenses
1840-1870
Graduated semicircular metal trial frames
1891-1910
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 with moulded rim
1891-1940
Trial lens, mounted in ring with handle
1891-1940
Blue-tinted trial lens
1891-1930
Circular tinted lens
1890-1930
Yellow-tinted trial lens
1891-1940
Circular tinted lens
1891-1930
Half-frost trial lens mounted in nickel plated(?)
1891-1940
Trial lens mounted in nickel plated(?) metal ring
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
Set of sixteen lenses
1880-1920
Rectangular leather covered case containing 25 lenses of assorted shape
1901-1930
Set of 19 pairs of trial lenses
1880-1910
Trial case in wooden case
1831-1870