On the Scale and tuning of the Rev, Mr. Liston's Organ. 421 

 C'y G' y D': then C jjj E' ^ B' y F'« y C'*, and 

 E' ^^^ A'; then E' jjj G'> y D'* y A'* y E'* ; then 



G'# T,r B'# y F'*« Y C'*«. 



Then dowmvards C y F' y B'b ; then Of jjy A'b , 

 E'b : then A'b y D'b y G'b y C'b j and then A'b ,., 

 F'b -rr B'bb ; which completes the Tuning of the Pipes. 



Three Fifths are then tiiiied downwards by help of the 

 one-comma shades to obtain C, viz. A' vr I-^ v ^ V ^* 

 Then C jTj E y B -rr F«, &c. just as above, except being 



a comma lower, or without acute accents. 



In like manner three other Fifihs are tuned downwards, 

 by nieairs of the two-comma shades, to obtain C\ 

 viz. A y D' yG' v/. C\ Then upwards G' -.•., B''; then 



D" JJJ F'* TTT A'*: and then A jr. C* jjr £'«. Then 



doiunwards C' yrr Ab; then G' rjr E'b ; and then 

 Cb y F"b, Which completes ihe tuning of the 59 Notes 



of this Grand harmonic Scale; at the multiplicity of whose 

 Notes, the intelligent student need not be at all alarmed, 

 since the excellent contrivance of Mr. Liston's Organ, en- 

 ables the whi)le to conjc into play when wanted, through 

 the means of the 12 ordinary finger-keys, and a pedal to be 

 pressed now and then, when the key changes, so as to re- 

 quire the use of notes beyond those twelve that are in the 

 Bcale at the time; and at others, when certain notes require 

 altering a comma to perfect the harmony, all of which are 

 marked in numerous examples and pieces of music, in Mr. 

 Listou'sBook, and in other printed Music that he has ready 

 provided, for those Professors or Amateurs who may honour 

 him by a trial of his Instruments, at Messrs. Flight and 

 Robson's. 



'I'he commendable disposition shown by the people of 

 this metropolis, for encouraginff an extension and improve- 

 ment of the Musical Scale of Keyed Inslrvments (for with 

 Voices and Violins, he. Mr. Liston's scale alv ays has and 

 alwav* will be in nr.r), in the instances that 1 have men- 

 tioned above, seems in a particular manner to have alarmed 

 the Gcrnun Organist Mr. Kollniann, for the fate of his 



modern 



