Over the years, I’ve run across a lot of old carpenter’s toolboxes, but there’s something different about this toolbox. Most of the old toolboxes I’ve seen were quickly slapped together with nails and butt joints. And over time, the boards had shrunk or cupped and pulled loose from the nails. You won’t have that problem with this toolbox. That’s because the corners are joined with interlocking box joints. The individual fingers of the box joints provide a large amount of gluing surface…