2>l6 NEW ARRANGEMENT OF KEYS OF MUSICAL INSTKUMENTS. 



series, every character simply indicates its note ; but if we take 

 the fundamental note one tone higher, viz. from C to D, then 

 two sharps, namely/ and c, will be marked in the cliff; and the 

 same characters, in effect, will no longer indicate the same notes, 

 or require the same keys to be touched. If we assume the funda- 

 mental two tones above C, four sharps will be irarked in the 

 cliff, &c. And it is accordingly found, that in transposing and 

 performing on the different keys, the fingering is very different 

 Mr. Trotter in each. Mr. Trotter has found a simple and effectual remedy 

 aud^r white for this last difficulty, by constructing the keys in such a man- 

 key in regular ner that no preference as to white keys is given to any particu- 

 a"r'tf^e "twelve ^^^ series j but every series is fingered precisely in the same 

 semitones; manner. He places the white and black keys alternately in 



wiich afFords succession for every one of the twelve semitones ; and the con- 



a simple and ^ _ ' 



invariable sequent rule is, that for the sharp series ascending from any note 



rule for per- whatever, the key note itself is to be touched, and then the 



forminfj m , . ^ , , , , 



every key of two keys next ascendmg of the same colour, and these are to 



music. ]3g followed by the four keys next ascending of the opposite 



colour. Thus in fig. 5, pi. V, the key of the Note C being 



black is to be followed by the black keys of D and E, and 



afterwards by the four white keys of F, G, A, and B. And it 



is easy to show, that in the flat series a rule no less simple and 



universal prevails throughout, viz. that the key note, and the 



next above, and two next below it, are to be of the same colour, 



and the other three of the opposite colour. 



Illustration by In the same figure, where W, W, &c. represent the white 



the engraving, j^^^yg^ ^^^ jyj^ jyr^ g^c^ ^lie hia^k keys as usual, the letters n, n, 



represent the same black keys continued, and a little depressed 



below the white ones. By this means the performer has bis 



election to touch either N or n of any key at pleasure ; and 



as the nature of the passage may require. This construction is 



shown in profile at fig, S. 



"Pprformance ■"■ "^^^ present when a professional gentleman, who had prac- 



cn the instru- tised on this improved instrument two days, performed several 



inentbyapro- pjg^-gg ^f ^usic upon it, wh.ch were of difficult and rapid exe- 

 lessional man. r r ' r 



cution, He spoke Willi much approbation of the facility and 



advantages it affords, and particularly remarked, that the im- 

 provement n, n, &c, allows certain passages to be performed 

 in a superior manner, which, if lingered by means of the faces 



N.N. 



