1920] 



on Problems of Lubrication 



69 



Cyclic Compounds. 



Cyclohexane "31 



Methyl cyclohexane - 30 



1.3. di Methyl cyclohexane '29 



Cvclohexanol *20 



1.2. Methyl Cyclohexanol -28 



1.3. „ „ ... -25 



Cyclohexanone '35 



1.2. Methvl cyclohexanone -32 



1.3. „ „ „ "35 



1.4. „ „ „ -33 



Ammonia fortiss 

 Triethylamine 

 Tripropylamine , 



•34 

 ■30 

 •26 



Castor oil 



Water 



■03 



