Solar microscope in mahogany case with accessories by G. and C. Dixey
1830-1840
Solar microscope by Passemant
1760-1780
Solar microscope in case
1788-1796
Solar microscope with screwbarrel objective
1760-1780
Solar microscope in case
1780-1800
Solar microscope
1775-1795
Solar microscope in case
1840-1855
Exposed x-ray plates
1908-1914
Solar microscope with screwbarrel
1750-1775
Unsigned solar microscope with rackbarrel onjective
1730-1770
Solar microscope with rack barrel objective
1800-1825
Unsigned French solar microscope in case
Solar microscope
1800-1825
Unsigned solar microscope with worn worm drive for heliostat and rack barrel focusing
1801-1900
Exposed glass x-ray plate, one of five, showing radius and ulna views
1908-1914