A champagne knife is a fixed-blade knife with a curved wire breaker blade to aid in opening a...
On a jack knife, the bolster at the head end, opposite the blade-pivot end. If a jack knife...
An early method of turning iron into steel, invented in 1742 and last made in the 1960s, it...
A small piece of metal placed between a liner and a blade, (or between the springs in a...
Invented ca. 1870, a tough man-made thermoplastic material, composed of cellulose nitrate and camphor. It can be made...