Instrument
- 2.5-inch Ross Portrait2
- 2.5-inch Ross Portrait Lens2
- 2.6-inch Zeiss-Tessar2
- 2.8-inch Kodak Aero-Ektar2
- 200 inch Hale Telescope2
- 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
- 40cm GPO1
