[Trade Journal]
Publication: Western Electrician
Chicago, IL, United States
vol. 37, no. 18, p. 349, col. 2
ILLUSTRATED ELECTRICAL PATENT RECORD.
Issued (United States Patent Office) October 17, 1905.
·
·
No. 802,096. — Tree Insulator |
802,096. Tree Insulator. Charles W. Dunton, Boston, Mass., assignor of one-half to Frank D. Field, Cambridge, Mass. Application filed March 24, 1905.
In a tree insulator are a swinging arm, means for attaching it to a tree, a support pivoted at its lower end to the extremity of the arm bearing an insulator and means for holding the electric wire. (See cut.)
·
·