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said cells increasing in height and width in descending the scale, each pipe cell being in communication with two reed cells, the open- ings maintaining communication between 5 the pipe and reed cells gradually decreasing in diameter and depth in descending the scale.
In testimony that I claim the foregoing as my. own, I have hereto affixed my signa- ture in the presence of two witnesses. PERCY PRESTON. Witnesses: JERRY HICKEY, W. R. WILSON.
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