Browse Items (327 total)
- Collection: 3D Artifacts
Bessel filters, Set J
Bessel filters, Set J
Bessel filters in wooden box
S.E Wood, Diffraction grating
S.E Wood, Diffraction grating
Diffraction grating stored in a cigar box
SVE Picturol Society for Visual Education, Inc., Slide projector
SVE Picturol Society for Visual Education, Inc., Slide projector
Projector w/wooden base
Shutter mechanism
Shutter mechanism
Air activated shutter and film stage
Carbon dioxide filter
Carbon dioxide filter
Brass filter holder w/output petcock
[Untitled]
[Untitled]
Allen Brothers, Stencil
Allen Brothers, Stencil
Brass painting stencil
Galvanometer
Galvanometer
Device for measuring extremely small changes in voltage
Machined steel bar
Machined steel bar
Indexed machined steel bar in a wooden box.
Mirror Blank
Mirror Blank
Aluminized cassegrain mirror blank