Chapter VII: The Celloidm Method 65 



of the tube is then dipped into melted paraffin and allowed to remain 

 there until the celloidin solution has boiled down to about one-third of 

 its original volume. The mass is then mounted in the ordinary way, 

 hardened for an hour or more in chloroform, and cleared in cedar oil. 

 Sections are cut as directed under memorandum 10. 



