182 R. Fuess, Steglitz. ' 



IT. Hygienic Division. 



1 Anemometer for examining ventilations. 



1 Anemometer with crossed bowls. Smallest model. 



1 Koppe's Hair-Hygrometer. 



1 Maximum and Minimum Thermometer. 



V. Architectural Division of the Prussian Ministry of Public Works. 



1 Registering water mark designed by Seibt and Fuess. 

 1 Water mark with divisions and figures on china. 

 10 Photographs of the principal instruments for registering water 

 marks designed by Seibt and Fuess, in frame. 



(All information respecting these instruments may be obtained from 

 Mr. Winter, mechanician in the German University Exhibition. 



