This wooden ruler is divided to 1/16" and numbered by ones from 1 to 14. Below the scale is a summary of Minnesota fish laws for 1940, listing the number of fish that could be caught in a day and held in one's possession for 20 different species. The seasons for catching different fish are also provided. A hole at the right end of the rule allows it to hang from a hook.
The back of the rule is marked: For Better, Faster Shaving – (/) USE BERCO BLADES. It is also marked: BERCO (/) DOUBLE EDGE and SINGLE EDGE (/) BLADES. It is also marked: Fit Your Face For The Outdoor – (/) USE BERCO BLADES. Berco distributed electric shavers and razor blades from Toledo, Ohio.
Reference: "Razors, Blades, Sharpening," Popular Mechanics 103, no. 4 (April 1955): 69.
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