Marshall type compound microscope, late 17th-early 18th century.

Leeuwenhoek type microscopes, late 17th century.

'The Double Constructed Microscope', 1787.

Using an electron microscope, 1995.

'New Universal' silver microscope by George Adams, 1761.

'New Universal' silver microscope by George Adams, 1761.

'New Universal' silver microscope by George Adams, 1761.

'New Universal' silver microscope by George Adams, 1761.

'New Universal' silver microscope by George Adams, 1761.

Solar microscope, 1776.

Early Culpeper type microscope, c 1725.

Sketch of nuremburg shears, helical gears and furnaces.