Summary

Samuel Blatchford Estey v. Burdett — Opinion of the Court

The main board, A, contains two sets of reeds running through the entire scale, the back set of which is marked a, and is tuned as a unison or diapason, while the front or octave set, marked b, is tuned an octave above the diapason. In the arrangement of these reeds, it will be seen that the lowest and longest reeds in the diapason and the octave sets are placed with their vibrating ends as near together as they can be, with room only for the tracker-pin which communicates the motion of the key to the valve beneath the reeds.
Source: Wikisource

Samuel Blatchford Estey v. Burdett — Opinion of the Court

The point of advantage in bringing down the vibrating ends of the reeds in the third set, so that they shall rest on the same base with the vibrating ends of the reeds in the other two sets, is shown by the evidence to be the same point of advantage which is set forth in the specification of the prior patent granted to the plaintiff on the ninth of January, 1866. In that the invention is stated to be to so make the reed-board that the three or four sets of reeds in it shall be acted upon instantly and simultaneously by the rush of air upon the opening of the valve
Source: Wikisource

Samuel Blatchford Estey v. Burdett — Opinion of the Court

This is effected by the use of an additional set of reeds, commencing at tenor, F, or thereabouts, and running upward through the scale of the instrument, and tuning the same in the peculiar manner hereinafter described. No other reed musical instrument containing the same number of reeds, so far as I know, has ever possessed so great a variety or pleasing quality of tone, while simplicity of construction, compactness of form, and ease of operation are other exellencies of this arrangement not found in others.
Source: Wikisource

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