[Trade Journal] Publication: The Telegrapher New York, NY, United States |
New Patents,
For the week ending January 3d, and each bearing that date. No. 110,645. - GLASS TELEGRAPH INSULATOR. John Garity, East Birmingham, Pa. Claim. - A solid glass telegraph insulator, having a head, b, grooved, and a form suitable for use with either a wrench or spanner, and having also a threaded pin, a, the face of which tapers from the base of the head toward the point, substantially as said for the purposes set forth. |