I don't know about you but I found this mid-forties ad for a new type of musical instrument to be a hoot (or is that a toot?)! A quick check of the 'Net tells me the Gahoon apparently didn't catch on after all.
First published in 1968 (I was 9!), I have been writing professionally part-time for more than two decades. I have been freelancing for various authors, editors and publishers for the past three years on the behind-the-scenes tasks of writing.