174 



METHODS AND FORMULAS USED IN MAKING MICROSCOPE SLIDES 



designation sat. aq. sol. has been used to 

 indicate that water is the solvent. 



The words "in water" have also been 

 omitted following the words "wash," 

 "rinse," etc. unless the context does not 

 render the meaning of the instruction 

 clear. It is also to be presumed, unless a 

 specific designation to the contrary is 



made, that distilled water will be used in 

 all operations. 



Certain pharmaceutical abbreviations, 

 used to shorten the technical directions for 

 making up certain solutions, will be found 

 expanded in the List of Abbreviations 

 immediately preceding the "List of Books 

 and Journals cited." 



