Set of 12 trial lenses and a pair of trial frames, Europe, 1880-1920
1880-1920
Pocket size trial case
Set of trial lenses in case
Trial case in wooden case
1831-1870
Trial case containing over 250 lenses
Trial case containing 16 lenses
Eight sets of sight testing spectacles in horn(?)
1850-1914
Sheaf of seven pairs of convex trial lenses
Square brown leather covered case containing 82 lenses and a pair of trial frames
1870-1920
Miniature trial case
Lens trier
1805-1845
Trial case
1890-1900
Trial case
1850-1930
Case of trial lenses
1880-1920
Set of 42 pairs of trial lenses
1880-1910
Set of sixteen lenses
1880-1920
Rectangular leather covered case containing 25 lenses of assorted shape
1901-1930
Rectangular wooden case containing twelve circular trial lenses with conical depressions
1880-1920
Set of 19 pairs of trial lenses
1880-1910
Set of 20 trial lenses
1890-1930
Set of trial lenses
1880-1930
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
Six pairs of sight testing frames(?) in horn holde
1700-1800
Set of 12 single trial lenses in lorgnette handle
1840-1920
Five sets of sight testing spectacles in horn(?) h
1850-1914
Three sets of sight testing spectacles
1850-1920
Eight pairs of sight testing spectacle in horn (?)
1850-1914
Seven sets of sight testing spectacles in horn (?)
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 testing spectacles in horn frames
1850-1914
6 sets of sight testing spectacles
1850-1914
6 sets of sight testing spectacles in horn holder
1850-1914
6 sets of testing spectacles in horn(?) frames
1850-1914
Set of trial lenses
1870-1930
Set of 7 paired trial lenses
1840-1870