'Solar Opake Microscope', 1787.

Large inverted microscope, c 1870.

Using an electron microscope, 1995.

Solar microscope, 1776.

A flea, micrograph, 18th century.

Compound monocular microscope. European, c.1700.

Lifeguard on the Susex coast, July 1983.

Giovanni Battista Amici's reflecting microscope, c 1830.

Illustration showing a microscopic view of blood cells, 1901.

Portable microscope, c 1895.

Wood-cutting instrument for preparing microscopical specimens, 1808.

Picture library researcher at work, sPL, July 2001.