Original 1941 municipal trade vintage catalog for the NATIONAL WATER MAIN CLEANING COMPANY.  Main office was located at 30 Church Street, New York, NY.

Contractors for the Cleaning of Water Mains. 'The National Method'.

Discussed is the Company Experience, the Equipment used and the Results of 'The National Method'.

Has product image, illustration, description, application and specifications provide product details.

Unbound from a large rare 1941-1942 Municipal Index Catalog, this unique old four-page technical brochure would display beautifully matted and framed. Nice graphics. A fabulous addition to your retro municipal library. Pages are loose.