


'A list of two thousand microscopic objects' book by Andrew Pritchard, England, 1835
1835

Microscope by Pritchard, English, mid 19th century

Microscope by Andrew Pritchard
1825-1850

Simple monocular microscope with Pritchard-style foot
1826-1850

Microscope by Andrew Pritchard
1825-1850

Early microtome, England, 1825-1835
1825-1835

Small solid galilean spy-glass

The first diamond lens made by Andrew Pritchard

Pocket microscope by Andrew Pritchard

Compound monocular microscope by Andrew Pritchard
1825-1850

Compound monocular microscope
1826-1850

Manuscript magnifying powers in diameters of standard achromatic microscope
1846

Pritchard monocular microscope
1825-1850

Compound monocular microscope
1825-1850

set of separate parts for moving coil meter

Panoramic magic lantern slide showing four scenes featuring animals dressed as humans

This is a plano-convex diamond lens set in a gold tiepin
1725-1735

Pritchard microscope
1825-1850
Jewel and Doublet microscope by Pritchard
1827-1835
Compound monocular microscope in case with eleven drawers of accessories
1825-1850
Rectangular wooden block
Microscope by Andrew Pritchard
1825-1850
Microscope slide containing the hair of a newborn infant
1804-1882