SECTIONING METHODS 



429 



tome chamber, and in the right side of this compartment an electric 

 blower, such as a hair dryer, is so placed that it blows air from the 

 compartment against a movable metal valve that permits the air 

 either to go back directly into the microtome chamber or to pass 

 through the Dry-Ice box before returning. The valve is controlled 

 by the thermoregulator. 



Fig. 153. Device for prevention 



of curling of sections. 



From Linderstr0m-Lang 



and Mogensen (193S) 



Fig. 154. Use of device for prevention of section curling. 

 From Linderstr0m-Lang (1939) 



