Browse Items (327 total)

Aluminized cover glasses

Aluminized mirror cover glasses 0.71" Diam. and 2 aluminized elliptical mirrors

Aluminum Box

Aluminum box with adjustment handle on side

Aluminum Spool

Aluminum spool for a shaft

Aperture Plate w/Yellow filter

Aperture Plate w/removable yellow filter

Aperture Plates

Three brass aperture plates

Argon Gas Tube

Argon gas tube in a box

Argon Gas Tubes

Argon Gas Tubes

Arttop Specialties, Artascope

Kaleidoscope produced by Arttop Specialties of Rochester, NY. Objects put on platform can then be viewed as the source of the kaleidoscope image.

Astrographic Reseau

5mm ruled squares on a glass plate

Balance Scale Weights

Set of balance scale weights