Glass Insulator; Telegraph, Yellow Green, Threadless, 4 inch.
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Glass Insulator; Boston Bottle Works Type, Hexagonal Dome, Aquamarine, 4 inch.
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Glass Insulator; Willington Glass Works, Telegraph, 8-Sided Cone, Yellow Olive, 5 inch.
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Glass Insulator; Willington Glass Works, Telegraph, 8-Sided Cone, Yellow Olive, 5 inch.
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Glass Insulator; Willington Glass Works, Telegraph, 8-Sided Cone, Yellow Olive, 6 inch.
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Glass Insulator; Hemingrey, Columbia, Patd 1891, Forest Green, 5 inch.
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Glass Insulator; Willington Glass Works, Telegraph, 8-Sided Cone, Yellow Olive, 6 inch.
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Glass Insulator; Hemingrey, No 19, Sapphire Blue, 4 inch.
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Glass Insulator; Hemingrey, No 19, Sapphire Blue, 4 inch.
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Glass Insulator; Hemingrey, 19, Sapphire Blue, 4 inch.
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Glass Insulator; Willington Glass Works, Telegraph, 8-Sided Cone, Olive, 6 inch.
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Glass Insulator; Willington Glass Works, Telegraph, 8-Sided Cone, Olive, 6 inch.
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