Hand magnifier
1980
Magnifier formed from two convex lenses set between 3 legs of bent brass as fixed vertical tripod
1851-1900
Magnifier, English or American, circa 1900
1891-1910
Homemade magnifier
1870-1930
The Aspheric Magnifier
1980
Double lens magnifier, American, circa 1900
1890-1910
Magnifier, European, early 19th century
1801-1850
Magnifier, English, 1851-1900
1851-1900
Double lens magnifiers, American, circa 1900
1890-1910
Lens set in cork eye cup like watchmakers's glass
1871-1900
Viewer formed from convex lens at top of brass tube
1871-1900
Crude magnifier
1831-1870
Pocket magnifier, 1930-1960
1930-1960
Viewer formed from convex lens set in draw tube in sleeve
1871-1900
Plastic wallet containing plastic magnifier
Magnifier, English, mid 19th century
1840-1880
Large hand magnifier, European, early 19th century
1801-850
Magnifier on large retort
1880-1920
Cell and sleeves for simple double lens magnifier
1801-1900