Subjects: Optical Phenomena and Telescopes / Languages: English - Digital Collections - National Library of Medicine Search Results

Start Over Subjects Optical Phenomena ✖ Subjects Telescopes ✖ Languages English ✖

1. On the color correction of achromatic telescopes

Author(s):: Harkness, William, 1837-1903, author
Publication:: [New Haven?] : [publisher not identified], [1879?]
Subject(s):: Telescopes
Optical Phenomena

2. On the color correction of achromatic telescopes: a reply to Prof. Chas. S. Hastings

Author(s):: Harkness, William, 1837-1903, author
Publication:: [New Haven?] : [publisher not identified], [1880?]
Subject(s):: Telescopes
Optical Phenomena