Only a handful of these “pilot wheel” engraver’s vises were custom made by the late John Madole. The wheel is turned to tighten or loosen the massive ball joint, allowing the user to set the precision jaws at any convenient angle. Information is scanty, but there’s a couple more pics here at Lindsay Airgravers.
I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and makezine.com. My work has also appeared in ReadyMade, c't – Magazin für Computertechnik, and The Wall Street Journal.
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