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Garrison-Morton-Norman History of Medicine
Historical Bibliography Updated: July 14, 2026

On a large-angled immersion objective, without adjustment collar; with some observations on “numerical aperture”.

STEPHENSON, John Ware

J. roy. micr. Soc., 1, 51-6. 1878.

Stephenson suggested the oil immersion lens system to Abbe, who developed it.

Subjects

Microscopy
Catalog MetadataReference Information
Entry Number#268.1
Permanent Linkhttps://beta.historyofmedicine.com/id/8745
External URLon-a-largeangled-immersion-objective-without-adjustment-collar-with-some-observations-on-numerical-aperture