While Zooming today, I mentioned an OM who built a wooden Morse bug. He is in fact Gary Johnson, NA6O, of Livermore CA. You can find an article on his bug at the site below. Very impressive IMO, wonderful marriage of art and engineering. The article also shows a pic of his Morse straight key. You can find other info from / about Gary on his QRZ page and elsewhere online.
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Best, --David KM6RI
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chrome-extension://efaidnbmnnnibpcajpcglclefindmkaj/https://na6o.com/amateur_radio/ewExternalFiles/NA6O_Woodbug-1.pdf
David