Date: | 1935 |
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Description: | Business card of Edward Rohloff, a traveling salesman for Willson's Monarch Laboratory, a manufacturer of patent medications in the early part of the 1900s... |
Date: | |
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Description: | Letterhead of the Natural Phosphate Company, with an illustration of the mechanical dryer plant and a roundel with an outline of the state of Wisconsin tha... |
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