On the focal length of microscopic objectives On the focal length of microscopic objectives

Collection: Medicine in the Americas, 1610-1920 Author(s): Cross, Charles R. (Charles Robert), 1848-1921 Contributor(s): Massachusetts Institute of Technology. Physical Laboratory. Publication: [Boston?] : [publisher not identified], [1870?] Language(s): English Format: Text Subject(s): Microscopy -- instrumentation Lenses Copyright: The National Library of Medicine believes this item to be in the public domain (More information) Extent: 12 pages NLM Unique ID: 101636360 (See catalog record) OCLC no.: 26909682 Permanent Link: http://resource.nlm.nih.gov/101636360