Technical diagrams of Eckenstein’s crampons from a 1909 follow-up article in the Oesterreischische Alpenzeitung.
Really cool to see the perspective of a climber and designer from the late 1890-1900’s. A lot of his thoughts on design and climbing still hold:
12. Three-part crampons are entirely worthless. The middle points are always shaky and poor for balance, and they don’t follow the designer’s creed that “simpler designs create fewer complications.”
Engineering drawings look much the same over a 100 years later: