Instrument
- 24-33 in Jewett Schmidt2
- 24-inch Bruce Doublet2
- 24-inch Clark Reflector2
- 3 inch Perkin-Zeiss Lens2
- 3 inch Ross-Tessar Lens2
- 3-inch Darlot (Series renamed from j)2
- 3-inch Elmer Ross2
- 3-inch Ross2
- 3-inch Ross Fecker2
- 32-36 inch BakerSchmidt 10 1/2 inch round Armagh-Dunsink-Harvard2
- 4-inch Cooke (1-327)2
- 4-inch Cooke Lens2
- 4-inch Ross Lundin2
- 4-inch Voightlander Lens2
- 5-in Voightlander Transit Photometer2
- 60 inch Common2
- 60-inch Rockefeller Reflector2
- 61-inch Wyeth Reflector2
- 7.5-inch Cooke/Clark Refractor at Maria Mitchell Observatory2
- 8-inch Bache Doublet2
