Every age has its share of cranks and quacks. These are usually found peddling the miracle cure of the day – be it radioactivity, magnetism, or – as it was in the middle of the 19th century – electricity. And after reading the patent description for a metallic hone, I’m unsure if old William was a crank or a quack.
William was awarded his patent in 1855, making this one of the oldest patents I’ve looked at so far. And to William’s defence, this is one of the more straightforward and easy to read patents I’ve seen in a while.
Continue reading






























































































































