﻿used 
  in 
  "playing 
  Brass 
  Instruments. 
  

  

  391 
  

  

  The 
  experiments 
  on 
  the 
  cornet 
  as 
  to 
  different 
  intensities 
  of 
  

   given 
  notes 
  are 
  detailed 
  in 
  Table 
  V. 
  

  

  Table 
  V. 
  — 
  Pressures 
  for 
  given 
  Notes, 
  Loud 
  and 
  Soft. 
  

  

  Notes 
  

  

  A 
  

  

  E 
  

  

  A 
  

  

  05 
  

  

  E 
  

  

  Approximate 
  

   frequencies. 
  

  

  226 
  

  

  339 
  

  

  452 
  

  

  568 
  

  

  678 
  

  

  

  Pressures. 
  

  

  t» 
  J 
  

   'S3 
  m 
  

  

  2675 
  

  

  22-5 
  

  

  12 
  

  

  34-25 
  

  

  26 
  

   15-5 
  

  

  44 
  

  

  31-5 
  

  

  20-5 
  

  

  52-75 
  

  

  38-75 
  

   30-25 
  

  

  66 
  

  

  41-5 
  

  

  34 
  

  

  Trumpet. 
  — 
  For 
  the 
  experiments 
  on 
  the 
  Trumpet 
  a 
  Eesson 
  

   trumpet 
  in 
  F 
  was 
  used, 
  played 
  by 
  Mr. 
  E. 
  (J. 
  Pickerill 
  with 
  

   a 
  mouthpiece 
  by 
  H. 
  Keats 
  & 
  Son. 
  The 
  results 
  of 
  once 
  

   playing 
  the 
  scale 
  in 
  F 
  through 
  two 
  octaves 
  at 
  medium 
  intensity 
  

   is 
  shown 
  on 
  Plate 
  VIII. 
  by 
  the 
  dotted 
  curve 
  marked 
  TT. 
  

  

  Comparison 
  of 
  Trumpet 
  and 
  Cornet. 
  — 
  Table 
  VI. 
  gives 
  the 
  

   result 
  of 
  a 
  comparison 
  of 
  trumpet 
  and 
  cornet 
  as 
  to 
  the 
  pressures 
  

   for 
  given 
  notes 
  of 
  different 
  intensities. 
  

  

  Table 
  VI. 
  — 
  Trumpet 
  and 
  Cornet 
  compared. 
  

  

  Notes 
  

  

  Bfe 
  

  

  F 
  

  

  » 
  

  

  D 
  

  

  F 
  

  

  Approximate 
  

   frequencies. 
  

  

  240 
  

  

  360 
  

  

  480 
  

  

  600 
  

  

  720 
  

  

  *5 
  / 
  

  

  m 
  

  

  H 
  

  

  P 
  

  

  25-75 
  

   23-25 
  

   16 
  

  

  43-75 
  

  

  28 
  

   18-5 
  

  

  45-5 
  

   34-5 
  

   26-75 
  

  

  48-75 
  

   41-5 
  

  

  28-75 
  

  

  68 
  

  

  57-25 
  

   42 
  

  

  f 
  

  

  CD 
  

  

  f 
  m 
  

  

  o 
  

  

  ° 
  V 
  

  

  26-5 
  

  

  18 
  

  

  13 
  

  

  45 
  

  

  28-5 
  

   24 
  

  

  47-25 
  

  

  32-75 
  

   22-5 
  

  

  55 
  - 
  75 
  

  

  41 
  

  

  32-25 
  

  

  75-75 
  

   51-75 
  

   39-25 
  

  

  