Nicholson hydrometer in case with 2 thermometers
1850-1920
Withering botanic microscope (early type)
Small botanic microscope
1825-1850
Toy microscope with stand formed from a statuette of a man
1851-1880
Small boxfoot microscope with double button objective
1850-1875
Shaving equipment consisting of embroidered leather pouch
1801-1910
First form of Withering botanic microscope
Withering botanic microscope
Compass microscope, in case, Dutch, 1825-1850
1825-1850
Withering botanic microscope (mark 1)
Simple hand microscope with object disc of six windows
1830-1870