 |
|
| A B C D E F G H I J K L M N O P Q R S T U V W X Y Z |
|
|
Sproul Observatory
The observatory at Swarthmore College, near Philadelphia, where Peter van der Kamp, Kaj A. Strand, and Sarah Lee Lippincott worked in the middle decades of this century to try to detect planets around nearby stars. Its main instrument during this period was a 24-in. refractor.
Related category
• OBSERVATORIES AND TELESCOPES
Also on this site:
Encyclopedia of Alternative Energy & Sustainable Living
Encyclopedia of History
Transport Concepts & Designs (partner site)