[Trade Journal]
Publication: Western Electrician
Chicago, IL, United States
vol. 29, no. 26, p. 427-428, col. 3
ILLUSTRATED ELECTRICAL PATENT RECORD.
Issued (United States Patent Office) December 17, 1901.
·
·
 |
| No. 689,218 |
689,218. Electrical Insulator. Albert F. Parks, Brooklyn, N. Y., assignor to Lewis B. Stillwell, New York, N. Y. Application filed April 8, 1901.
A support for the insulator consists of a threaded pin of wood or other soft material and receives the insulator upon one end. An enlargement is provided upon the pin against which a portion of the insulator abuts, and a metallic socket receives the other end of the pin (See cut.)
·
·
