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Insulators |
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Insulators of glass or pottery have been made for use on telegraph or telephone poles since 1844. Thousands of different styles of insulators have been made. Most common are those of clear or aqua glass; most desirable are the threadless types made from 1850 to 1870. Most insulators are made for glass or pottery. There is a well-organized group of collectors with clubs and publications.
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| Category | Pattern or Item | Description | Year Priced | | Insulators | A.a. | Side Wire Groove, Double Petticoat, Threaded, Milky Fizzy Aqua | 2005 | | Insulators | Aa | Mossy Blue-green | 1996 | | Insulators | Agree | Purple | 1996 | | Insulators | AM Insulator Co. | N.Y., Double Petticoat, Pat’d Sept. 131881, Nov. 131883, Green | 2009 | | Insulators | AM Insulator Co. | Continuous Drip 134, Aqua,, | 2011 | | Insulators | AM Insulator Co. | Continuous Drip 145, Olive Yellow,, | 2011 | | Insulators | Am Tel Tel Co | No. 121, Dome Emb | 2004 | | Insulators | Am Tel Tel Co | No. 121 | 2004 | | Insulators | AM. Tel. & Tel. | No. 100, Jade Green, Milk Glass | 2009 | | Insulators | Am. Tel. & Tel. Co. | No. 121, Dome Emb, Strong Amber Swirl | 2004 | | Insulators | Am. Tel. & Tel. Co. | No. 121, Green | 2004 | | Insulators | Am. Tel. & Tel. Co. | No. 121, Purple | 2004 | | Insulators | Am. Tel. & Tel. Co. | Blue Aqua, Milk Streaked | 2012 | | Insulators | American | Green Aqua | 1995 | | Insulators | American | Side Wire Groove, Double Petticoat, Threaded, Yellow Green | 2005 | | Insulators | American | No. 020, Aqua, Milky Swirls | 2009 | | Insulators | American | No. 020, Backwards R, Aqua | 2009 | | Insulators | American Ins. Co. | Light Blue, Embossed Base | 1998 | | Insulators | American Insurance Co. | Green Aqua, Crude | 2001 | | Insulators | American Telegraph & Telephone Co. | No. 121, Purple | 1999 | | Insulators | American Telegraph & Telephone Co. | No. 121, Blue Aqua | 2001 | | Insulators | American Telegraph Telephone Co | No. 121 | 1999 | | Insulators | American Telegraph Telephone Co | No. 121 | 2001 | | Insulators | American Telephone | Dark Green, Amber Swirls | 1996 | | Insulators | American Telephone | No. 110, Purple | 2001 |
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