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 . ow-ing the VMter- Plan of a , bultoek and bou: lines, diayonal lines, etc. See LiXE. Planceer. (Architecture.) A Soffit (whichst-e). Planch. An iron shoe for mules. Planchet (Coining.) A flat disk ofmetal. A round disk of metal weighed andtested is a plauchet ready for coining. The strips of plate from which planchetshave been removed are called sei
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 . ow-ing the VMter- Plan of a , bultoek and bou: lines, diayonal lines, etc. See LiXE. Planceer. (Architecture.) A Soffit (whichst-e). Planch. An iron shoe for mules. Planchet (Coining.) A flat disk ofmetal. A round disk of metal weighed andtested is a plauchet ready for coining. The strips of plate from which planchetshave been removed are called seissel. Plan-chette. 1. A heart-shaped pieceof board mounted on thin supports, two ofwhich are casters, and one a pencil whichmakes marks as the board is pushed >inderthe hands of the person or pei-sons whosefingers rest upon it. The exact cause ofits motions is not clearly underetood, as aportion seems to be involuntary on the partof the performers. Planchette belongs to the family of so-called spirit-manifestations, table-tip-pings, etc. These and similar phenomenahave not been satisfactorily explained;and thus far they seem productive of morehai-m than good, where accepted as gen-uine manifestations of disembodied PlancAette. In principle it is as old as the hills. The Chineseknow all about it. When they would consult agod, they set before the image a platter of .sand, andtwo men grasp one leg each of a V-shaped piece ofwood, the point of which rests on the sand. Thespirit of the god is supposed to descend and move PLANE. 1724 PLANE. the marker, iind the marks it makes in the sand aretraiishited into an onicuhir answer! While the pursuit of such knowledge haii beenthe destruction of tlie religious faith of thousands,and while the pursuit of the exact and speculativesciences ha^s, in njauy oases, crowded out all beliefin the sui>ernatural, it is a eomfort to some of us toread the testimony of the great physicist Faraday :* 1 have never seen anything incompatibl
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