Prism Stand with Prism
Accession Number: 2010.ph.274
A prism stand with a chipped, glass prism seated on it. The prism may be an isosceles, right-angle triangle. The prism can be rotated both about its axis and about the stand. The part of the stand that holds the prism arm can be revolved in a vertical plane around the hinge that connects it to the stand. The stand is extendable. No maker’s markings – there is no indication that the prism and the stand were produced and sold as a unit. A label is stuck on the base. A small piece of masking tape is wrapped around it.
Primary Materials: brass, glass
Old inventory number = phy121. “80” is written on the bottom of the stand. A label saying “RIGHT ANGLE” is stuck on the base.
Base: height = 39 with prism (but extendable), diameter = 11; Prism: height = 7, longest side = 7
Refraction of light demonstrations and optical experiments.
Good: The prism is slightly chipped, but overall in good condition.
Associated Instruments: 2010.ph.273
Date of Manufacture: Late 19th C.