1963 Hercules Filter Corporation

This is a high resolution digital reproduction of an original 1963
ad for Hercules Filter Corporation.  It is 1 page.  The ad
features Asbestos and Other Filter Materials "Hercules offers a
wide range of fibrous filter materials. They are graded
accordingly to porosity and are blends of Hercules Arizona
Asbestos and cellulose fiber. These blends may be used alone
as a pre-coat or in combination with various filter aids, such as
diatomaceous earth, bleach clays, activated carbons, wood
flours. Laboratory or field tests determine the right proportions.
Sheet filter pads of Hercules Arizona Asbestos are also
1963 Hercules Filter Corporation
Asbestos Product Information
Hercules Filter Corporation
Old Company Catalogs (RetroPaper.net)