Unspecified / ca 1870
Microscope
Microscope
The Smithsonian catalogs Microscope as microscope in its Science & Scientific Instruments records.
While fish tanks were known in Ancient Rome and Medieval China, balanced aquariums were not developed until the 1840s. After the London Zoo opened an impressive Fish House in 1853, and several enthusiasts produced books explaining how aquatic plants and animals would keep other alive, aquarium keeping became the order of the day—and microscopes for examining plants and animals in aquaria were soon