Continental bull's eye condenser, 19th century
1801-1900
Gairdner type simple microscope
Cover slip cutter in case
1851-1900
Compound microscope set on wooden base
1850-1870
English compass microscope
1776-1825
Mounting instrument invented by James Smith
Condenser to be used above or below stage
1770-1800
Compass microscope with four lens objective disc and ivory handle
1771-1800
Compound monocular body tube on heavy stand with curved cast pillar
1860-1880
Stand with brass pillar and cross arm
Prismatic condenser with one convex surface
1831-1870
Oil lamp for microscopy, English, 1850-1900
1851-1900
Electric vibrator on arm
1890-1930
Screwbarrel and aquatic microscope in fishskin case
1761-1780
Infant weighing scales
1848-1900