SOURCE |
MATERIALS |
| Celestron International 2835 Columbia Street Torrance, California 90503 |
Catadioptric telescopes and related equipment |
| Criterion Scientific Instruments Inc. 620 Oakwood Avenue West Hartford, Connecticut 06110 |
Reflecting and catadioptric telescopes and related equipment |
| Edmund Scientific Corporation Edscorp Building 101 East Gloucester Pike Barrington, New Jersey 08007 |
A variety of telescopes, equipment, optics, and other science items |
| Farquhar Globes 5007 Warrington Avenue Philadelphia, Pennsylvania 19143 |
Celestial globes |
| Hansen Planetarium Publications 1098 South 200 West Salt Lake City, Utah 84101 |
Astronomical slides, posters, photographs, other items |
| Meade Instruments Corporation 1675 Toronto Way Costa Mesa, California 92626 |
Telescopes and equipment |
| Questar P.O. Box C New Hope, Pennsylvania 18938 |
Catadioptric telescopes |
| S&S Optika, Ltd. 3855 South Broadway Englewood, Colorado 80110 |
Telescopes and equipment |
| Sky Publishing Corporation 49 Bay State Road Cambridge, Massachusetts 02138 |
Star atlases, astronomy books, educational materials, Sky & Telescope magazine |
| Unitron Instruments 175 Express Street Plainview, New York 11803 |
Refracting telescopes and equipment |
| Willmann-Bell, Inc. P.O. Box 35025 Richmond, Virginia 23235 |
Excellent source of books and software |
| Zephyr Services 1900 Murray Avenue Pittsburgh, Pennsylvania 15217 |
Astronomy software |