SPECIFIC GRAVITY AND DISPLACEMENT OF SOME SALINE SOLUTIONS. 191 



Table 11b. 

 Table of Observations made with Hydrometers A and B when floating in the 

 Solution 6-3 CaC4+ 1000 grams of Water at 19-5° C, for Comparison with 

 the Results given in Table II a. 



Hydrometer A. 







Hydrometer B. 



Series 1. 





Series 2. 



Added 



Scale 



Specific Gravity 



calculated 



from Single 



Observations. 





Added 



1 



Scale 



Specific Gravity 



calculated 



from Single 



Observations. 







Weight in 

 Grams. 



Reading in 

 Millimetres. 



Displacement, 





Weight in 

 Grams. 



Reading in 

 Millimetres. 



Displacement. 



4-0 



13-9 



1-409760 



1204-94 



2-05 





7^1 



1-409740 



1204-96 



4-1 



•21-8 



735 



•97 





215 





15^9 



732 





-96 



4-2 



29-6 



731 



-96 





2^25 





24^5 



744 





-95 



4-3 



37-2 



730 



•96 





235 





335 



725 





-97 



4-4 



44-6 



744 



•95 





2^45 





42^8 



683 



120500 



4-5 



52-2 



749 



-95 





2^55 





50-8 



751 



1204-95 



4-6 



59-8 



762 



-94 





2^65 





600 



723 





•97 



4-7 



671 



776 



-92 





2-75 





679 



725 





-97 



4-8 



74-7 



764 



-93 





2-85 





77^8 



694 





-99 



4-9 



82-2 



762 



-93 





2-95 





86^0 



740 





-96 



5-0 



89-7 



761 



-94 





3-05 





94^8 



739 





•96 



Mean . . 1-409752 



Mean 



L 



• 



1-409727 





Probable error of mean expressed in \ _|_ „ _o.ii 

 units of the sixth decimal place / ~ ' ^ 



4^46 



Hydrometer A. 



Hydrometer B, 



Hydrometer A. 



Series 3. 



Series 4. 



Series 5. 





Soalp 



Specific 







Slnnlp 



Specific 









Scale 



Specific 





Added 

 Weight 



Reading 



Gravity 

 calculated 



Displace- 



Added 

 Weight 



Reading 



Gravity 

 calculated 



Disj 



lace- 



Added 

 Weight 



Reading 



Gravity 

 calculated 



Displace- 



iu 

 Grams. 



Milli- 

 metres. 



from Single 

 Observa- 

 tions. 



ment. 



in 

 Grams. 



Milli- 

 metres 



from Single 

 Observa- 

 tions. 



me 



nt. 



in 

 Grams. 



Milli- 

 metres. 



from Single 

 Observa- 

 tions. 



ment. 



4-0 



14-1 



1-409741 



1204-95 



2-05 



7^0 



r409750 



120' 



^•95 



4-0 



140 



r409750 



1204-95 



4-1 



21-7 



745 



-95 



215 



15^8 



742 





•95 



4-1 



21-5 



764 



•94 



4-2 



29-7 



722 



-97 



2-25 



24^7 



724 





•97 



4^2 



29-5 



741 



-95 



-I-3 



37-5 



730 



-96 



2-35 



33^8 



696 





•99 



43 



37-4 



711 



-98 



4-4 



44-9 



722 



-97 



2-45 



42^0 



760 





•94 



4-4 



44-8 



731 



-96 



4-5 



52-1 



765 



-94 



2-55 



50^9 



742 





•95 



4^5 



52-1 



765 



■94 



4-6 



59-8 



768 



-93 



2-65 



59^0 



818 





•89 



4^6 



610 



741 



•95 



4-7 



67-2 



772 



-93 



2-75 



68^1 



790 





•92 



4^7 



67-5 



744 



•95 



4-8 



74-9 



750 



-95 



2-85 



76^9 



782 





•92 



4^8 



74^8 



760 



•94 



4-9 



82 4 



748 



-95 



2-95 



86^0 



740 





•95 



4-9 



82-6 



730 



•96 



5-0 



89-9 



749 



-95 



3^05 



94^8 



739 





•96 



5-0 



89^7 



767 



-93 



Mean . . 1-409746 



Mean . . 1 409753 



Mean 



. r409746 





Probable error of mean \ 













expressed in units of the |- ± r-g = 3-49 



6-35 







3-6 





sixth decimal place j 













