#  Harvard Northwest Science Building 

 



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   ![Northwest Labs Building](/sites/g/files/omnuum6316/files/styles/hwp_1_1__720x720_scale/public/chsi/files/northwest-building.jpg?itok=pTMQCnGG) 

 

  
52 Oxford Street, Cambridge###    
 **![Countercurrent Machine](/sites/g/files/omnuum6316/files/styles/hwp_1_1__360x360_scale/public/chsi/files/ccdm_sm.jpg?itok=bnADR9yM) 

 

[Sorting Things Out:  
A Countercurrent Distribution Machine](/ccdm)**