Insulators (4)
Insulators (4)


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Insulators (4)

Identifier:
136238
Description:
Glass insulators. Used on Michigan Telephone Line from Detroit to Grand Rapids. Patented in 1892.
Date:
1892
Current Location Status:
In Storage
Collection Tier:
Tier 2
Source:
Gift Of Lewis, Arthur E.
Related Entity:
Arthur E. Lewis (donor)