A varied group of three vintage telephone pole insulators, including clear glass, glazed ceramic, and dark brown glass examples. Each features the classic threaded interior used for mounting on utility poles, with differing forms and materials that highlight the evolution of electrical and communication hardware.

The combination of materials and colors makes this an appealing group for collectors or industrial-style display.

Dimensions: roughly 4x3in each

Condition: Good. Wear consistent with outdoor use, including surface scratches and minor imperfections; no major cracks observed.

telephone pole insulators, glass and ceramic insulators, vintage utility hardware, industrial decor, collectible insulators, antique electrical components