By Blaw-Knox-Tissue-thin aluminum foil comes out of this Blaw-Knox rolling mill at the rate of 3,000 feet a minute. [illegible]e foil can be squeezed down to one-tenth the thickness of th[illegible] of paper this picture is printed on.

Digital Commonwealth — Boston Public Library

By Blaw-Knox-Tissue-thin aluminum foil comes out of this Blaw-Knox rolling mill at the rate of 3,000 feet a minute. [illegible]e foil can be squeezed down to one-tenth the thickness of th[illegible] of paper this picture is printed on.

[ca. January 1958]

RightsCC0 — Public Domain

CollectionDigital Commonwealth — Boston Public Library

[Information from item housing] Machinery ... Large + Small

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