﻿636 
  Mr. 
  A. 
  E. 
  Tutton 
  on 
  the 
  

  

  Expansion 
  of 
  Bay 
  eux 
  Porcelain. 
  — 
  Specimen 
  1. 
  

  

  L*, 
  = 
  12-259 
  mm. 
  4=8*187 
  mm. 
  /= 
  20-907 
  mm. 
  ^=0*461 
  mm. 
  

  

  Determination 
  1. 
  Determination 
  2. 
  Determination 
  3. 
  

  

  \t 
  x 
  6°-8 
  10°0 
  ll°-9 
  

  

  Temperatures 
  ... 
  < 
  t 
  2 
  63°-4 
  64°-7 
  04° 
  6 
  

  

  l 
  t 
  3 
  120°-8 
  122°-2 
  120°-9 
  

  

  f 
  6, 
  761-2 
  mm. 
  7537 
  mm. 
  755*2 
  ram. 
  

  

  Bar. 
  pressures 
  ... 
  < 
  b 
  2 
  760*9 
  753*1 
  756-1 
  

  

  I 
  bl 
  760-6 
  752*5 
  757'0 
  

  

  ff, 
  7-38 
  6-97 
  6-83 
  

  

  | 
  Corrn.... 
  -0*08 
  -0*08 
  -0-07 
  

  

  No 
  of 
  bands 
  J 
  f* 
  7 
  ' 
  30 
  6 
  " 
  89 
  676 
  

  

  o 
  an 
  "•] 
  A 
  17-42 
  17*14 
  16'72 
  

  

  J 
  Corrn.... 
  -0*14 
  -0*14 
  -013 
  

  

  [J 
  3 
  ' 
  17*28 
  17*00 
  16-59 
  

  

  Dim. 
  of 
  thickness 
  f/ 
  '/\/2... 
  0*0023951 
  mm. 
  0*0022606 
  mm. 
  00022180 
  ram. 
  

  

  of 
  air-layer 
  ...\f 
  z 
  '\j2... 
  0*0056696 
  00055778 
  00054433 
  

  

  TVn 
  nfPf 
  t 
  fist 
  int. 
  ... 
  0*0103662 
  0*0100297 
  0096676 
  

  

  P* 
  -"-" 
  11 
  '! 
  2nd 
  int.... 
  0*0211900 
  0*0208805 
  00202885 
  

  

  p 
  Tn 
  , 
  A1 
  f 
  1st 
  int. 
  ... 
  0-0105577 
  0-0102247 
  00098592 
  

  

  j^xp. 
  oi 
  ai. 
  ... 
  j 
  2nd 
  hit 
  .... 
  0*0218328 
  00215323 
  0*0209247 
  

  

  -rVpp^vt, 
  ai 
  fist 
  int. 
  ... 
  -00001915 
  -0*0001950 
  -0*0001916 
  

  

  exp. 
  ai. 
  | 
  2nd 
  int 
  ^ 
  _o*0006428 
  -0*0006518 
  -0*0006362 
  

  

  Expansion 
  of 
  fLt 
  2 
  -Lt... 
  00022036 
  0*0020656 
  0*0020264 
  

  

  Porcelain. 
  ... 
  | 
  L^-Lf,... 
  0*0050268 
  00049260 
  0*0048071 
  

  

  ... 
  0*000 
  032 
  618 
  0-000 
  029 
  784 
  0-000 
  030 
  777 
  

  

  (j> 
  ... 
  000 
  000 
  089 
  94 
  0000 
  000 
  106 
  81 
  0000 
  000 
  100 
  34 
  

  

  L 
  ... 
  12*2588 
  mm. 
  12*2587 
  mm. 
  12*2586 
  mm. 
  

  

  a 
  ... 
  000 
  002 
  661 
  0*000 
  002 
  430 
  0*000 
  002 
  511 
  

  

  b 
  ... 
  0*000 
  000 
  007 
  34 
  0000 
  000 
  008 
  71 
  0-000 
  000 
  008 
  19 
  

  

  Mean 
  values 
  a 
  =0*000 
  002 
  534. 
  6=0*000 
  000 
  008 
  08. 
  

  

  Expansion 
  of 
  Bay 
  eux 
  Porcelain. 
  — 
  Specimen 
  2. 
  

  

  Ly, 
  = 
  12-334 
  inm. 
  4 
  = 
  8*187 
  mm. 
  I- 
  20*645 
  mm. 
  d= 
  0124 
  mm. 
  

  

  Determination 
  1 
  . 
  Determination 
  2. 
  Determination 
  3. 
  

  

  (t 
  . 
  5° 
  5 
  7 
  0, 
  2 
  5°*7 
  

  

  t\ 
  ...... 
  61°*9 
  62°-2 
  63°*1 
  

  

  f 
  3 
  ...... 
  120°*7 
  121°-7 
  123°*2 
  

  

  ( 
  b 
  x 
  771*1 
  mm. 
  768-5 
  mm. 
  769-3 
  mm. 
  

  

  Bar. 
  pressures... 
  \ 
  b 
  2 
  770*8 
  768*5 
  769-2 
  

  

  | 
  b 
  s 
  770*5 
  768*5 
  769*2 
  

  

  f 
  f 
  2 
  7*34 
  7*30 
  7*38 
  

  

  I 
  Corrn.... 
  - 
  002 
  - 
  0*02 
  - 
  0*02 
  

  

  no. 
  of 
  tana.... 
  \ 
  £; 
  r 
  .; 
  n-l 
  nil 
  iw 
  

  

  ! 
  Corrn.... 
  - 
  0*04 
  - 
  0*04 
  - 
  0*04 
  

  

  { 
  /: 
  17-48 
  17*77 
  17*93 
  

  

  