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The Underflow The monthly paper magazine for Upjohn salesmen was always called The Overflow. This August 1939 supplement, cheekily called The Underflow, captures a June 1939 sales conference held in Downtown Kalamazoo. |
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The Underflow The monthly paper magazine for Upjohn salesmen was always called The Overflow. This August 1939 supplement, cheekily called The Underflow, captures a June 1939 sales conference held in Downtown Kalamazoo. |