Transformer

Astronomy

Accession Number: 2019.ast.128 (DAA-0126)

Description:

This object consists of a blocky metal object appearing like plates of metal stuck flat together with protruding attachments screwed to these on each side. This is attached by screws to a wooden plywood base. Around it, there is coiled a fabric-insulated yellow cable, with a standard wall plug at one end. Also emerging from the base of the transformer there is a short length of wire ending in a two-round-pronged female electrical connector.

Primary Materials:

Metal: Iron Alloy, Wood, Textile, Rubber

Markings:

On a metal label attached to the transformer: “HAMMOND
TYPE
1128X23
PRIMARY
VOLTS 115 CYCLES 25 V.A. 32
C.S.A. APPROVAL NO. 3902
HAMMOND MFG CO. LTD.
GUELPH – CANADA”

Dimensions (cm): Length = 23, Width = 13, Height = 12

Function:

Transformers are used to changed the voltage of the electricity in a circuit.

Condition:

Very Good: The metal plates in the body of the transformer are rusted in places, particular where they meet the wooden base is chipped around the edges and dirty and dusty in places; there are two small holes in this where another piece of equipment has been attached.

Manufacturer: Hammond Manufacturing Co. Ltd.

Date of Manufacture: Mid-20th Century

Provenance:

This object was likely moved from the David Dunlap Observatory in Richmond Hill in 2008, upon the sale of the observatory. It was stored at the Department of Astronomy and Astrophysics until 2017, when it was moved to a new storage location in McLennan Physical Laboratories.