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SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 94 



Fig. 14. — Dependence of phase in periodicities of Berlin temperatures on epoch 

 measured from 1819. Each curve given is the mean form for 23 years. In each 

 group the top curve starts from January 1819. Note prevailing similarity of 

 curves I, III, V and again of curves II, IV. Exceptions noted in text. 



