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Porcelain Insulators from Bulgaria

The porcelain insulators are identified by U-numbers, but in the range of 1000-3999.  The link below is for the reference book that covers these insulators.

Worldwide Porcelain Insulators (Unipart Pin Types)

Insulators from Bulgaria
U-1234 U-1268 U-1284 U-1654 U-1692 U-1705 U-1735 U-1770 U-1831 U-2121 U-2294 U-2667
Return to Porcelain Insulators from Outside the United States

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