Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . s foot, or between the heel of the shoean I the frog. 6. (Founding.) A light steel rod with a verysharp point, for picking out small, light pat-terns from the 7. (fVcaring.) The upper or striking portion ofa jneker-slnff which conies agiiinst the end of theshutte and impels it through the shed of the reqnires a tough and somewhat resilient
Knight's American mechanical dictionary : a description of tools, instruments, machines, processes and engineering, history of inventions, general technological vocabulary ; and digest of mechanical appliances in science and the arts . s foot, or between the heel of the shoean I the frog. 6. (Founding.) A light steel rod with a verysharp point, for picking out small, light pat-terns from the 7. (fVcaring.) The upper or striking portion ofa jneker-slnff which conies agiiinst the end of theshutte and impels it through the shed of the reqnires a tough and somewhat resilient material;the former that it may last, the latter that it maynot injure the shuttle. Raw-hide is frequently used. The usual form is a staff .sweeping in a vertical plane, andoperated opportunely by means of the lay, or through gearing,according to the construction of the loom. In Fig 3B6. the picker-blocks are operated from the lay bya system of rollers and straps. PuUiiig on fje straps raises the 107 Picker-Motion. Picker-motion. (Weaving.) The systemof involved in impelling the shuttle throughthe shed. See FiCKEU. Pioker-staff. (Weaving.) The bar which oscil-lates on an at its lower end, and by a sudden Fig. Picker-Staff. jerk imparts motion to the shuttle. The staffs inthe example are shown at C, and are moved auto-matically by the motion of the lay. Picket 1. (Fjrtijication.) a. A stake with a
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Keywords: ., bookcentury1800, booksubjectin, booksubjectmechanicalengineering