Microscope with 'Continental' fine adjustment
'A list of two thousand microscopic objects' book by Andrew Pritchard, England, 1835
1835
Simple monocular microscope with Pritchard-style foot
1826-1850
Microscope by Pritchard, English, mid 19th century
Microscope by Andrew Pritchard
1825-1850
Microscope by Andrew Pritchard
1825-1850
Panoramic magic lantern slide showing four scenes featuring animals dressed as humans
The first diamond lens made by Andrew Pritchard
This is a plano-convex diamond lens set in a gold tiepin
1725-1735
Small solid galilean spy-glass
Pocket microscope by Andrew Pritchard
Manuscript magnifying powers in diameters of standard achromatic microscope
1846
set of separate parts for moving coil meter
Early microtome, England, 1825-1835
1825-1835
Compound monocular microscope
1826-1850
Compound monocular microscope by Andrew Pritchard
1825-1850
Pritchard monocular microscope
1825-1850
Pritchard microscope
1825-1850
Compound monocular microscope
1825-1850
Jewel and Doublet microscope by Pritchard
1827-1835
Rectangular wooden block
Microscope by Andrew Pritchard
1825-1850
Compound monocular microscope in case with eleven drawers of accessories
1825-1850
Microscope slide containing the hair of a newborn infant
1804-1882