er side walls of the cup are strain is satisfactorily withstood, or by using heavier it necessary to increase the compass and the power tapered, and co-acting with them is a correspondingly tension rods, the depth of the piano back can be safely of the piano. The sounding board was improved, the… … 1 part of oleic acid and a few drops of oil of mir- ADJUSTABLE TENSION RODS FOR PIANOS. PIPE STOPPER OR TEST PLUG. bane are to be added.
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