Buildings 1 and 2, 1921

ID: 1411 ~ Source: Minnesota Historical Society

This file appears in: Abrasives Products & Manufacturing

Building 2 (left) and Building 1 (right), Forest Street, in 1921.

This file appears in: Abrasives Products & Manufacturing

Abrasives Products & Manufacturing

By Marjorie Pearson, Summit Envirosolutions, Inc.

3M INNOVATIONS IN ABRASIVES PRODUCTS Abrasives: The Sandpaper Story 3M began manufacturing a single product, abrasive sandpaper, in 1905 at a plant in Duluth. Sandpaper was still the only product when…