We recommend for the Rontgen and Scientific 

 Institutes our 



Special Rontgen 



AND 



Special Extra Rapid Schleussner 



Plates, 



which are unrivalled, and recognised as the best 

 by the Professors 



Dr. A. Hoffa, N. Wolfer, Dr. Winkelmann, 

 Dr. R. A. Koch, Dr. Rehn, Dr. H. C. Vogel, 

 Dr. Max Wolf, H. Kayser, Dr. N. Thege, 

 Dr. F. Krause, Dr. H. Nitsche, Dr. Rieder, 

 Dr. Quincke, etc. 



Only one trial of these Plates is required to prove 

 tliat they possess in every respect the good qualities 

 we claim for them. 



PLEASE WRITE FOR SAMPLES TO THE MANUFACTURERS, 

 TROCKENPLATTENFABRIK 



Dr. C. schleussner, 



AKTIENGESELLSCHAFT, 



FRANKFORT-ON-THE-MAIN. 



PRICE LISTS AND SAMPLES FREE. 



