=Ingrain Carpet=, two-ply, construction of the fabric, 72
---- Two-ply, selection of designing paper, 106
---- Two-ply, tying-up of its Jacquard harness, 72
=Ingrain Carpet Loom=, two-ply, built with a stationary shuttle-raceway and an independent comb for beating up the filling, 82
---- Two-ply, in which the journals are lifted from above by means of a cam arrangement, 81
---- Two-ply, in which the journals are lifted from below and controlled by either a chain or cam motion, 81, 82
=Jacquard Cards=, general arrangement and application, 7, 9, 17, 18 ---- Preparing of, 85 ---- Stamping of, 85, 91
=Jacquard Designing=, practical hints, 103
=Jacquard Harness=, general arrangement and application, 20
=Jacquard Loom=, a loom furnished with the Jacquard arrangement.
=Jacquard Plunger=, a part of the Jacquard machine; also known as Guiding-rod, 12
=Journals=, peculiarly constructed harness frames used in the manufacture of two-ply ingrain carpets, 75
=Jute= is a native plant of China and the East Indies; its long fibre, which is of a brown to silver gray color, is used largely in the manufacture of Brussels and tapestry carpets, rugs, etc., for the body--ground structure of the fabric. It is distinguished from flax by being colored yellow under the influence of sulphuric acid and iodine solution. The size of the thread when spun is indicated by the same rule as wool--_Cut system_--300 yards to 16 ounces.
=Keys=, as used in the Piano Card-stamping machine, 86
=Keys=, as used in the Repeating machine, 93
=Key Wire=, used in the Repeating machine, 95
=Lacing Machines=, using two needles for lacing each series of holes, 98
---- Using one needle and one shuttle for lacing each series of holes, 100
=Lacing Twine=, the kind to use for machine lacing, 100
=Lantern=, an iron extension put on the cylinder of the Jacquard machine. The cylinder is turned by means of the catches working on the lantern, 16
=Leaf=, a harness; thus: 3-leaf twill or 3-harness twill, etc.
=Leash=, two or more harness-cords combined and adjusted to one neck-cord. For every harness-cord a leash contains there will be found a repeat in the design to correspond, 9
=Lifter-boards=, or _Trap-boards_, used in the Jacquard machine for two-ply ingrain carpet, 71