Prism Stand with Prism

Physics

Accession Number: 2010.ph.274

Description:

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.

Alternative Name:

Primary Materials: brass, glass

Markings:

Old inventory number = phy121. “80” is written on the bottom of the stand. A label saying “RIGHT ANGLE” is stuck on the base.

Dimensions (cm):

Base: height = 39 with prism (but extendable), diameter = 11; Prism: height = 7, longest side = 7

Function:

Refraction of light demonstrations and optical experiments.

Condition:

Good: The prism is slightly chipped, but overall in good condition.

Associated Instruments: 2010.ph.273

Manufacturer:

Date of Manufacture: Late 19th C.

Provenance:

Historical Notes: