refractor: see telescope.
The Columbia Electronic Encyclopedia, 6th ed. Copyright © 2012, Columbia University Press. All rights reserved.
More on refractor from Infoplease:
- refractor: meaning and definitions - refractor: Definition and Pronunciation
- Yerkes Observatory: meaning and definitions - Yerkes Observatory: Definition and Pronunciation
- Mount Stromlo Observatory - Mount Stromlo Observatory Mount Stromlo Observatory, astronomical observatory located on Mt. ...
- John Hadley - Hadley, John Hadley, John, 1682–1744, English instrument maker. An optician by trade, Hadley ...
- Maria Mitchell - Mitchell, Maria Mitchell, Maria, 1818–89, American astronomer and educator, b. Nantucket, ...