Physics · Unidentified · UTSIC
Short brass cylindrical cap with hole through the centre, with rotating disc attached to its top surface. Disc rotates so that a series of holes decreasing in size successively pass over the central hole in the cap.
Accession Number: 2011.ph.556
Alternative Name:
Primary Materials: Copper alloy
Markings: W-LADD LONDON
Dimensions (cm): 3x10x13
Function: For use in optical experiments.
Condition:
Good/Fair. Some scratches and spots of corrosion on the top of the cap surface and disc.
Associated Instruments: 2011.ph.557
Manufacturer: W. Ladd London
Date of Manufacture: Ca. Late 19th Century
Provenance:
University of Toronto Physics Department.
Additional Information and References:
Historical Notes:
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