US43054A - Improvement in crushing and pressing machines ...
The 6X19 & 6X36 classification of wire ropes is good for fatigue resistance and to withstand abrasion or crushing on the drum. 6 x 19S (Seale) -This is a good rope to withstand abrasion or crushing on the drum but its fatigue resistance is decreased. 6 x 25FW (Filler Wire) – To most wire rope users, 6 x 19 means 6 x 25 filler wire.