After the glass is blown, it’s placed in an annealing oven where it slowly comes down in temperature to prevent it from cracking. The annealer usually cools down the next day, unless you’re making really thick stuff like giant telescope lenses, which are so thick they have to stay in there for a few years. […]
For a full step-by-step, check out the Instructable. This is a no.24 keen kutter plane, it’s about 100 years old, and was all intact before I took it apart. The sole is in good shape, the mouth is tight, and no cracks in the body. The knob is fine too, and the frame has most […]
The old draw knives that I come across are usually pitted with rust, have broken handles, or are so worn out there’s not much metal left behind the cutting edge. Occasionally they’re bent. Mostly good reasons to pass them by. This one is stamped Lakeside Quality, and may or may not have been sold through […]
One of the nice things I’ve noticed while sharpening is the relief patterns that form when you pull two stones apart. David Wade’s book Li – Dynamic Form in Nature calls this phenomenon Viscous Maculæ.