Hemingray No 45 Insulator Clear Glass CD155 Made in USA 25-50 This is the CD155 glass Insulator #45 made by Hemingray produced from 1938-1960s. It was intended as a long distance telephone insulator. The skirted base has a textured base without points. The lower skirt is embossed with "Hemingray-45" on one side, "Made in U.S.A. 25-50" with 3 dots on the opposite side. Measures approx 4-1/4" tall, 3-1/4" diameter at the outside base. The condition is as shown in the photographs. No chips or cracks.