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 . w Parallel RMer. PARALLEL VISE. 1632 PARCHMENT. are pivoted to the two parts of the ruler ; distancesapart of tlie bars are measured on the vertieal bar. Paral-lel Vise. A vise wliose jaws move inexai-t parallelism, a bar on one slipping in a socketin the other; in contradistinction to the kind in Fig 3563. Fig. Parallel Vise. which the shank of one jaw i
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 . w Parallel RMer. PARALLEL VISE. 1632 PARCHMENT. are pivoted to the two parts of the ruler ; distancesapart of tlie bars are measured on the vertieal bar. Paral-lel Vise. A vise wliose jaws move inexai-t parallelism, a bar on one slipping in a socketin the other; in contradistinction to the kind in Fig 3563. Fig. Parallel Vise. which the shank of one jaw is pivoted to that ofthe other and moves in an arc of a circle. Para-matta. (Fabric.) A light twilled goodshaving a cotton warp and a merino-wool weft. Para-matta doth. Para-pet. 1. (Fortification.) A breast-high de-fense ol earth or stone around a work for shieldingtroops from the enemys fire. It is so formed thatthe earth of the excavation (deblai) is sufficient forthe ramparts and parapets (remblai). Inside is thebody of the place ; outside are the ditch, glacis, etc. Fig. 3554.
Size: 2022px × 1235px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, booksubjectin, booksubjectmechanicalengineering
