Vapour-density of Bromine at High Temperatures. 15 



Series III. About 900° C. 



Tolume Vapour- 

 Weight of Br. of globe. Pressure. Temperature. density, 

 grammes. c.c. mm. 



1-7440 1053-0 767-0 903-0° 78-5 



0-8340 1053-0 365-5 901-5 78-7 



Mean 78-6 



Series IV. About 950° C. 



1-6400 1053-0 764-0 956-0° 77-4 



1-6490 1053-0 764-0 951-0 77-6 



Mean 77-5 



Series V. About 1015° C. 



0-4003 '276-5 757-0 1016-0° 75-9 



0-0275 276-5 55-75 1010-0 70-4 



0-4099 276-5 757-0 1012-0 77-4 



0-0302 276-5 60-0 1016-0 72-3 



0-4078 276-5 757-0 1022-0 77-6 



0-03195 276-5 62-7 1016-0 73-1 



0-3982 276-5 755-0 1016-0 75-8 



Mean of vapour-densities at atmospheric pressure ... 76-7 



Series VI. About 1050° C. 



0-3828 276-6 760-0 1057-0° 74-5 



0-3860 276-6 ' 760*0 1055-0 75-0 



0-3771 276-6 760-0 1055-0 73-3 



0-3891 276-6 760-0 1057-0 75-7 



0- 3773 276-6 760-0 1057-0 73-5 



1- 4390 1055-0 763-0 1055-0 73-5 

 1-4680 1055-0 764-0 1034-0 , 73-7* 



Mean 74-3 



Series VII. About 1040° C, varying Pressure. 



0-3943 276-6 755-0 1035-0° 76-0 



0-1615 276-6 319-3 1039-0 73-9 



0-3915 276-6 755-0 1041-0° 75-8 



0-1608 276-6 318-5 1042-0 73-9 



0-0947 276-6 188-7 1041-0 73-3 



0-02323 276-6 47-3 1041-0 71-8 



* This number is not included in taking the mean, as the temperature is con- 

 siderably below the others. 



