Patent information:

Patent:Utility 154,451
Patented:August 25, 1874
Applied:April 20, 1874
Title:Improvement in Telegraph Insulators
Description:CD 109.5 self-tying with three projections on top (similar to Harloe)
Category:Insulator
Assigned to: 

Patentee Information:

BROOKE, Homer New York, NY

Class and subclass information:

Class:174ELECTRICITY: CONDUCTORS AND INSULATORS
Subclass:175INSULATORS With conductor holding means Insulator structure Self-retaining;

Known specimens:

Number:CD 109.5

Drawings:

Drawing page 1

Page 1