Canadian grooved based porcelain insulators (bases)
By Robin Harrison; posted September 3, 2009
View Original: Click to zoom, then click to magnify (640 x 480) 46KB
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l to r: U-1132 base; U-1130 base; U-1131 base |
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l to r: U-1132 base; U-1130 base; U-1131 base |