Diverging Ray Attachment

Physics

Accession Number: 2009.ph.61

Description:

A black cardboard box with labels “Diverging Ray Attachment for Optical Disk”, “Manufactured by C. H. Stoelting Co., 39 W. Randolph St., Chicago, ILL”. The box contains a metal rod with one end connected to a metal plate which is attached to glass lens. The metal plate has a label which reads “C.H. Stoeling Co. Chicago, ILL”. The box also contains a wooden U-shaped block.

Alternative Name:

Primary Materials: Cardboard, Metal, Wood, Glass

Markings:

On the box is a label which reads “DIVERGING RAY ATTACHMENT FOR OPTICAL DISK”, “MANUFACTURED BY C. H. STOELTING CO., 39 W. Randolph St., CHICAGO, ILL”.

The metal base is stamped or engraved with: “C. H. STOELTING CO. CHICAGO, ILL”.

Dimensions (cm):

height = 2.5cm, length = 19cm, width = 11cm

Function: Conducting optical experiments.

Condition:

Good. The handle of the object is somewhat marked and chipped from use. The metal base where the glass section is slotted into it is dented and exhibits patches of rust. The material around the base of the glass appears in areas to be applied inaccurately and may indicate a repair.

The box is worn, particularly around the edges and corners, and is stained on the base. The synthetic surface of the box is separating from the cardboard in places.

Associated Instruments:

Manufacturer:

C. H. Stoelting Co., 39 W. Randolph St., Chicago, Illinois, USA

Date of Manufacture:

Provenance:

University of Toronto Department of Physics

Historical Notes:

  • Donated to UTSIC