Large box of a.w. chesterton asbestos packing style 315

Large box of a.w. chesterton asbestos packing style 315

Manufactured by: A.W. Chesterton Co.
Packings & Seals, America's Oldest, World's Finest
Labeling on the box indicates:
(Also written in German, French, Italian, & Spanish)
ASBEST AMIANTO AMIANTE ASBESTO
ALL original asbestos packing content & wrapping.
The packing inside is indicated as size 1/2" and is a thick, coarse, continuous rope-like material w/asbestos & graphite on a cardboard spool with metal hubs.
A hard-to-find vintage, brand item for industrial artifact collectors, industrial operators, haz-mat researchers, environmental & legal professionals, etc.