Set of 12 trial lenses and a pair of trial frames, Europe, 1880-1920
1880-1920
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
5 sets of sight testing spectacles in horn holder
1850-1914
Six pairs of sight testing frames(?) in horn holde
1700-1800
Set of 12 single trial lenses in lorgnette handle
1840-1920
Rectangular wooden case containing twelve circular trial lenses with conical depressions
1880-1920
Eight sets of sight testing spectacles in horn(?)
1850-1914
Set of 6 semi circular lenses in black leather covered case
1880-1920
Set of sixteen lenses
1880-1920
Seven sets of sight testing spectacles in horn (?)
1850-1914
Six sets of eye testing spectacles
1850-1900
Dark green glass lens mounted in silver plated ring with handle
1891-1930
Set of 7 paired trial lenses
1840-1870
Trial lens mounted in metal ring with loop handle
1891-1930
Graduated semicircular metal trial frames
1891-1910
Four sets of sight testing spectacles in bakelite(
1850-1925
Three pairs of sight testing spectacles in horn(?)
1850-1925
Five sets of sight testing spectacles in horn(?) h
1850-1914
Three sets of sight testing spectacles
1850-1920
Turquoise tinted trial lens mounted in silver plated ring with handle
1891-1930
Circular tinted lens
1891-1930
Circular tinted lens
1891-1930
Oval trial lens in nickel plated(?) rim with hooks
1891-1940
Trial lens mounted in brass ring with handle
1891-1940
Trial lens with moulded rim
1891-1940
Blue-tinted trial lens
1891-1930
Yellow-tinted trial lens
1891-1940
Set of 42 pairs of trial lenses
1880-1910
Half-frost trial lens mounted in nickel plated(?)
1891-1940
Set of 19 pairs of trial lenses
1880-1910
Trial lens mounted in nickel plated(?) metal ring
1891-1940
Trial lens in brass ring-mount with loop handle
1891-1940
Set of trial lenses
1880-1930
Square brown leather covered case containing 82 lenses and a pair of trial frames
1870-1920
Pair trial lenses
1870-1930
Set of ttrial lenses
1870-1930
Set of trial lenses
1870-1930
Set of trial lenses
1820-1900
Pair of trial lenses
1870-1930
Set of trial lenses
1870-1930
Set of trial lenses in case
Eight pairs of sight testing spectacle in horn (?)
1850-1914
6 sets of sight testing spectacles in horn holder
1850-1914
Set of trial lenses
1870-1930
Pair of trial lenses
1870-1930
6 pairs of testing lenses in horn holder
1850-1914
11 single oval trial lenses
1790-1920