Browse Items (327 total)

Bausch and Lomb, Projection Lens

Projection lens - 10" E.F. f:4.5 AS6747

Lens Mounting Plate

Optics mounting plate and aperture

Prism

Broken prism with markings "46 x 81"

Magnifying Glass

Handheld magnifying glass with label "the lens is interference testing device – Glass is in #0411

Draw Tube

Brass elescope draw tube

Schmidt Camera Film Holders

3 Schmidt camera film holders

Spectrograph Grating in a Box

Spectrograph grating in a box

Mounted Lens

Mounted Lens - Glass originally came from #0417 magnifyer

Eyepiece Tube

Brass eyepiece tube

Tube Mounting Clamp

Brass telescope tube clamp