Synoptophore, 1931-1940.

Whittington stereoscope with slides, 1925-1940.

Kinetic stereoscope, 1920-1940.

Keep Ceaseless Watch for Colorado Beetle

'Lace, 100 times magnified in surface', 1839.

A family taking tea, 1940s.

Woman bathing a baby, 1940s.

Magnified wing of lacewing, 1787.

Magnified caterpillar, 1787.

Hand spectacles with tortoiseshell frame, 1801-1900.

Chicken louse, micrograph, 19th century.

Woman wearing the latest fashions, 1940s.