Knowles and Imperial Porcelain Works Duggan Cleat

[Trade Journal]

Publication: The Electrical Engineer

New York, NY, United States
vol. XVI, no. 270, p. 21,24, col. 1,1


TRADE NOTES AND NOVELTIES

AND MECHANICAL DEPARTMENT.


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THE NEW "DUGGAN" CLEAT

 

The accompanying cut represents the new porcelain cleat which C. S. Knowles, of Boston, is introducing to the electrical trade. As will be seen it is in two halves, both of which are interchangeable, being exactly alike, and either half of which can be used at will as the bottom or the top. The advantage is apparent, as, so long as there is more than one piece left in the barrel there is a complete cleat, avoiding all the annoyance of matching up two separate parts, which has been a great source of trouble in the past.

 

THE NEW "DUGGAN" CLEAT.
The New "Duggan" Cleat.

 

The cleat is well made of the best porcelain, is a thoroughly durable article, and will save wiremen a large amount of time and trouble.

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Keywords:Imperial Porcelain Works : C. S. Knowles : Cleat : Patent
Researcher notes:The insulator was made by Imperial Porcelain Works, Trenton, NJ
Supplemental information: Patent: 508,687
Researcher:Elton Gish
Date completed:December 21, 2004 by: Elton Gish;