Advertisement for <a href="https://en.wikipedia.org/wiki/Orville_Gibson" class="extiw" title="w:Orville Gibson">Orville Gibson's</a> mandolins. Gibson was aggressively promoting the idea that his mandolins represented progress. He disparaged the older round-back mandolins (Italian-style origin) as potato bugs (due to the striped pattern on their backs, from strips of wood in alternating colors).
William E. Foster
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