243 



Table 5. Calibration of unprotected thermometers for mean pressure coefficient 



Original calibration m.p.c. 



Re-calibration Re-calibration Difference Number of times 



Thermo- Test pressure 1949-5° 1954 between first used {total for 



meter no. Date (kg.lcm.^) m.p.c. Average (average m.p.c.) {average m.p.c.) and last check all commissions) 



CC 14316 1933 157-5 0-0990 ■) 



283-5 0-0988 V 0-0988 0-0990 — 0-0002 loi 



551-2 



o 



0987 J 



CC14318 1933 157-5 0-10041 *0-I012 *o-ooo7 



283-5 0-1005,- 0-1005 0-1005 /„.,oo7^ ro-ooo2^ ^« 



551-2 



o 



iuuj,- 0-1005 "-'003 . .j^^ ^ (Q.0002) 



1006 J 



CG 15290 1937 157-5 o-io66^ • . ^ 



283-5 0-1071 ■ 0-1072 0-1078 0-1078 0-0006 07 



519-5 0-1079J 



CG 15291 1937 157-5 0-1086 \ 



283-5 0-1098- 0-1097 Not tested 0-1106 0-0009 — 



519-5 0-1107J 



DI 18225 1950 284-74 o-o95s| _ *o-0955 ^.^^^^ jo^ 



537-20 0-0953J ^•'^ (0-0954) 



DI 18226 1950 284-74 o-o946\ _ *o-0945 *o-ooo2 ^^g 



537- 



20 



0-0948/ °'°947 (0-0946) (o-oooi) 



0-0948 — 0-0949 



o-oooi 



DI 18227 1950 284-74 0-0956 1 _ ^.^ ^ j^il ^g 



537-20 0-0957J ^^ 



DI 18228 1950 284-74 0-1043) ^ _ ^.^^01 68 



537-20 0-I045J -^-^ 



DI 18229 1950 284-74 0-0948I 



537-20 0-0949J 



DI 18230 1950 284-74 0-09421 _ ^.^^03 17 



537-20 0-0942J ^^ 



DI18231 1950 284-74 0-09561 _ . Q.QOoj 13 



537-20 0-0958J ^■" 



DI 18232 1950 284-74 0-1047I ^.j . _ *°-i046 *o-ooo2 _ 



537-20 0-1050J °'°+^ (0-1047) (o-oooi) 



DI 18233 1950 284-74 0-0958I _ ^.^^62 0-0003 — 



537-20 0-0960J ^^^ 



DI 18234 1950 284-74 0-0950J _ 0.0002 — 



536-88 0-0953J ^^ 



DI 18235 1950 284-74 0-0950I _ Nil - 



536-88 0-0950J ^^ 



DI 18236 1950 284-74 0-09561 _ 00958 0-0002 — 



537-20 0-0956J 



DI 18237 1950 284-74 0-09511 _ 0-0950 Nil — 



537-20 0-0950J 



DI 18238 1950 284-74 0-0960I ^ ^ .J _ 0-0962 O-OOOI — 



537-20 0-0962J 



DI 18239 1950 284-74 0-0953I _ 0-0953 Nil — 



537-20 0-0953J 



* Average of seven determinations. The figure in parentheses below is the average of the three, or two, test points corre- 

 spending to those of the original calibration. 



