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