to raise the pitch a half tone. This, if accurately spaced,will bring the octave fret a little below the center of thestring, which is as it should be to produce a perfect oc-tave ; for although the absolute center is the point forthe harmonic, the string, being in higher tension whenforced on to… … method shown in figure, It will become simple and Inte-resting. Upon a drafting board, with square and straightedge, make the base line A B some three or four feetlong; set a pin at the point C and erect two perpendicular lines AD and E F, which shall be one eighteenthof the distance from A C…
Patents · Asks · Water · Valve · Boiler · Iron · Scientific American · Feet · Object glass · Wrought iron · Sewing machine · Cast Iron · Steam boiler · Steam engine · Horse power · Steam pump · Water commissioners
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
