Set of sixteen lenses
1880-1920
Trial case in wooden case
1831-1870
Trial case containing over 250 lenses
Trial case containing 16 lenses
Three pairs of sight testing spectacles in horn(?)
1850-1925
Set of 6 steel framed trial spectacles hinged together inside steel covers
1850-1920
6 pairs of testing lenses in horn holder
1850-1914
8 sight testing lenses
1850-1914
Eight sets of sight testing spectacles in horn(?)
1850-1914
Six pairs of sight testing frames(?) in horn holde
1700-1800
Set of 12 single trial lenses in lorgnette handle
1840-1920
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
6 sets of testing spectacles in horn frames
1850-1914
6 sets of sight testing spectacles in horn holder
1850-1914
6 sets of testing spectacles in horn(?) frames
1850-1914
Sheaf of seven pairs of convex trial lenses
Set of trial spectacles in lognette frames
1850-1920
5 pairs of lenses for sight testing
1850-1914
Six sets of eye testing spectacles
1850-1900
Pocket size trial case
Rectangular wooden case containing twelve circular trial lenses with conical depressions
1880-1920
Set of 20 trial lenses
1890-1930
Square brown leather covered case containing 82 lenses and a pair of trial frames
1870-1920
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
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