Hand knot-tying machines: 2 DO6, type B, 2 Fisherman's, type 422, 2 Weaver's, type A, 1 Weaver's, type C Hand knot-tying machines: 2 DO6, type B, 2 Fisherman's, type 422, 2 Weaver's, type A, 1 Weaver's, type C