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1/10th HP Motor

Unidentified · Physics

A object in a cylindrical black metal casing on a roughly square metal base, also black. The casing is bolted with large iron bolts to the base. Other metal bolts in holds in the box enable the motor to be affixed to a surface. The casing has openings in the form of four quarters of a circle at both ends and openings in the form of slots around the body, presumably to release heat. Visible inside are coils, painted black. Emerging from the centre of one of the ends of the motor is a short length of metal tube, with a cross pin through it about half way along.

There is a metal manufacturer’s label affixed to the top of the centre of the casing. At the base of one end a electrical cable is connected. This is covered in brown woven fabric insulation and ends in a two-pronged electrical plug. Partway along the cable there is a black plastic section with a switch set through it.

Accession Number:

Alternative Name:

Primary Materials: Metal: Iron Alloy, Metal: Copper Alloy


On top of the casing is the label “CENTRAL SCIENTIFIC Co. CHICAGO U.S.A.”, “No. AB”, “Volts 110”, “Speed 1725”, “Type D.C.”, “AMP 2.28”, and “H.P. 1/10”.

Dimensions (cm):

Height = 15.5, Length = 21.5, Width = 14


Motors use electromagnetic effects to turn electricity into rotational energy that can be used to drive other machines.


Good: The parts of the casing and base that are painted black are in good condition, although the base is very dusty/dirty. The bolts, rods and tubes are noted painted black, and are rusty across the majority of their surfaces. The cable is frayed in places, but is otherwise in good condition.

Associated Instruments:

Manufacturer: Central Scientific Co., Chicago, U.S.A.

Date of Manufacture: Mid 20th Cent.


University of Toronto Department of Physics

Additional Information and References:

Historical Notes:

  • Donated to UTSIC