The newspaper caption on the back of the photo reads: "Business education teachers attending the No. Wis. Lake Superior Education Ass'n convention in Superior the other week, were very interested spectators of RAMAC processes. A special tour was arranged for them at Central Cooperatives, Inc., which has the only such bookkeeping machine 'with a ...
Creator:
Hayrinen, T.
Contributed By:
University of Minnesota Libraries, Immigration History Research Center Archives.