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A General Electric Trolley Car controller with 1908 patent date; image credit on full record.
Detail of the General Electric Trolley Car controller; image credit on full record.

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Mechanical Device; Trolley Car Controller, General Electric.

A Trolley Car controller by General Electric, from Pittsburgh, PA. Patented March 24, 1908.

p4A Item D9900113
Category:  science & technology    Origin:  Pennsylvania
Type:  mechanical devices - other    Year:  1908 - 1915

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