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American
Electricians Handbook, 1953
$75
American Electricians' Handbook
A Reference Book for Practical Electrical Workers
by Terrell Croft, revised by Clifford C. Carr
7th Edition
McGraw Hill Book Company
Copyright 1953
Hardcover, approx. 7.5" x 5", 1773 pages.

CONDITION: Acceptable. Covers have wear and stains. Small tear to cloth on spine. Bookplate and writing to endpapers.  Light soiling to page edges.

ASBESTOS REFERENCES:

This book documents the use of asbestos-covered wiring during the 1950s.

There is a table that lists details on when the following kinds of wire should be used:
All-Asbestos Nonimpregnated; All-asbestos impregnated; Asbestos-varnished-cambric with outer asbestos braid; Asbestos-varnished-cambric lead covered; Asbestos-varnished-cambric cotton braid covered.

It says, "Asbestos provides a truly heat-resisting insulation which is suitable for use at temperatures beyond the limits allowable for other standard forms of cable insulation. However, it is only satisfactory for low-voltage installations (not more than 8000 volts), since it cannot be applied to the conductors in a manner to give high dielectric strength characteristics to the cable insulation.  Asbestos-insulated cables for power work are made in two types of construction: all asbestos or felted asbestos, and asbestos-varnished cambric."

Asbestos insulation for magnet wire is also described.