lens

Survey instrument. Description: polished brass instrument designated a Gradientor by George Davidson, with mounts, prisms of lenses. In wooden case, penciled: "George Davidson, 1886" in bottom...

Assemblage of used one-gallon Mr. Painter paint can with lens affixed to the front. Paint can label is black and whte. Black paint residue in interior of can and dripping down the sides. Lens is...