Optical Viewer Device


Accession Number: 2009.ph.22


A three-stepped wooden box. The lids of the highest 2 steps are glass. On one side a hinged mirror is mounted on a sliding pivot, with a knob to fix it in position. On the opposite side are two round lenses situated side-by-side in a small door. Three metal brackets or hooks are attached to this door, and there is a rotating latch to keep the door closed. The entire wooden portion can be tilted up from the wooden base and supported on a bracket.

Alternative Name:

Primary Materials: Metal, Wood, Glass

Markings: None.

Dimensions (cm):

Height = 18.2, Width = 16.2, Length = 22.2

Function: Slide Viewer?


Very good. The wood of the object is in good condition. The topmost glass lid of the box is damaged or corroded on the surface and exhibits a lacy pattern.

Associated Instruments:


Date of Manufacture: Early 20th Century?


Department of Physics, University of Toronto

Historical Notes: