Westinghouse Transformer, circa 1909

Summary

Transformers increase or decrease voltage and are essential to alternating current (AC) power systems. In the late 1800s, with the help of transformers, AC power systems proved more efficient and economical than their direct current competitors. Transformers helped convert electricity to high voltage for transmission across long distances, then reduced it to lower, safer voltages for use in homes and factories.

Transformers increase or decrease voltage and are essential to alternating current (AC) power systems. In the late 1800s, with the help of transformers, AC power systems proved more efficient and economical than their direct current competitors. Transformers helped convert electricity to high voltage for transmission across long distances, then reduced it to lower, safer voltages for use in homes and factories.

Artifact

Transformer

Date Made

circa 1909

Location

Not on exhibit to the public.

Object ID

29.1333.431

Credit

From the Collections of The Henry Ford. Gift of Westinghouse Electric and Manufacturing Company.

Material

Cast iron
Wire
Cloth
Pitch (Tar)

Color

Black (Color)

Dimensions

Height: 22 in

Width: 11 in

Length: 5.5 in

Inscriptions

on face: WESTINGHOUSE ELECTRIC & MFG. CO./ PITTSBURG [sic], PA/ SIGN LIGHTING TRANSFORMER/ 2000 WATTS/ SECONDARY 10 OR 20 VOLTS/ 60 CYCLES STYLE 122332/ PRIMARY CONNECTIONS/ [...] stamped on metal tag inside transformer: 122332 on interior of casing: 14833G

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