The Glass Insulator in America, 1988 Report by N. R. Woodward 99 pages, 8 1/2" x 11", softbound

The history of threaded pin type glass insulator manufacture in North America. Condensed data on manufacturers and complete cross-reference lists between Consolidated Design Numbers (CD Numbers) and manufacturer numbers. This book also contains scale drawings of most known styles. This basic reference also includes a list of patents referred to on the older insulators, as well as other related patents. Information about the usage and voltage rating of all insulators is included. The companion book to Glass Insulators from Outside North America, it completes the CD numbering system.

This book is no longer available.

Return to the Reference Books page

If you have questions or comments, please use this Feedback Form.

Last updated September 1, 2015