452  ANALYSIS  OF  PENNSYLVANIA  PETROLEUM. 
were  a  pint  in  volume,  and  the  specific  gravity  given  is  the  ave- 
rage of  that  quantity,  which  was  a  mixture,  more  or  less,  of  dif- 
ferent gravities,  ranging  between  that  next  above  and  below  it 
in  the  column  of  gravities. 
Per  cent.  Spec,  grav, 
60°  Fah.  60°  Kah. 
2-50   -668 
1-25   -679 
1-25   -695 
1-25   -705 
1-25   -709 
1-25   -719 
1-25   -724 
1-25   -729 
1-25   -735 
1-25   -741 
1-25   -744 
1-25   -747 
1-25   -749 
1-  25   -754 
2-  50   -761 
1-25   -763 
1-25....   -765 
1-25   -769 
1-25   -773] 
1-25   -775 
1-25   -778 
1-25   -782 
1-  25   -785 
2-  50   -787 
2-50   -791 
1-25   -799 
1-25   -801 
1-25   -803 
1-25.....   -806        Total  quantity  within 
1-25   -808  [  brace,  4  6-8  gallons  ;  hav- 
1*25   '810    ing  a  specific  gravity  of 
1-25....   -812  809°. 
1-25   -813 
1-25   -815 
1-25.   -816 
1-25  ,   -818 
5-00   -819 
1-25   -817 
1.25   -815 
1-  25   -820 
15.00  *-823       *  In  this  fraction  the  oil 
2-  50...   -818  J  cooled  to  40°  Fah.,  became 
2*50   '815    solid  from  the  presence  of 
2-50..   -813  paraffin. 
2-50....   -808 
2-50....   -815 
2-50.......   -825 
5-62............   -821 
5-00— coke. 
•63 — water. 
100-00 
