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Our little organ of five stops, when completed, will probably be described with correctness if it is said to contain two 8-feet stops, two 4-feet stops, and one 2-foot stop: a ready and conventional way of speaking, we repeat yet once more, since the instrument will contain no open pipe 8 feet in length, and since, of the 4-feet stops, one will be only of 4-feet tone, or pitch, while even the 2-feet stop, for reasons which will be abundantly made clear, may possibly have no 2-feet pipe.

Some pains have been taken to explain all this, because we have met with young workmen whose comprehension of such rudimentary matters was far from complete, and who were misled by the fanciful and wholly unimportant names engraved upon the knobs which govern the stops, e.g. "Flute," "Dulciana," &c. If we have any such young beginners among our present readers, they will see that the names are quite of secondary concern, and that the essential thing is to have a clear understanding of the pitch of each stop, as represented by the length of the pipe, actual or virtual, corresponding to the lowest note of the manual.