Wollaston type camera lucida with Ross lenses

1851-1900

Gould microscope (unsigned) in red leather case

Botanic microscope ("flower") in red leather case

1820-1850

Dellebarre type microscope

1790-1800

Camera lucida, Wollaston style, with red leather case

1840-1860

Withering botanic microscope in red leather-covered case

Folding hand microscope in pasteboard case covered with red leather

1801-1830

Lens in ivory mounting

1830-1870

Wollaston type camera lucida by Watkins & Hill

1836

Perspective tracing instrument

1820-1840