microscope
Object NameAcorn Simple Microscope Compendium
Made FromGlass, Ivory, Ebony
Dateabout 1775
Place MadeEngland
TechniqueGround, polished, turned, assembled
SizeOverall H: 5.2 cm, Diam (max): 2.7 cm
Accession Number2018.8.14
Curatorial Area(s)
Not On View
Physical DescriptionAcorn Simple Microscope Compendium. Ground and polished glass lenses, turned ivory, ebony; assembled. Turned ivory case with lid, somewhat in the overall shape of an acorn. Three independent simple microscopes are concealed within. Under the domed lid is a "flea glass" with high power lens in stained ivory mount, and specimen pin. This, and the base, unscrew to yield a cylindrical livebox with high power lens and glass chamber, the livebox again in dark stained ivory. The remaining body is mounted with a large-aperture low-power inspection lens with focal length almost 1-1/2".Provenance
Source
Tesseract
- 2018-12-13
about 1900
1700-1725
about 1770
1725-1750
1725-1775
