XII 



Testimonials. 



A u b u r n, Ala., 5 th March, 1910. 

 The lot of apparatus which I ordered in November 

 was received a few days ago and is entirely satisfactory 

 in every way. I wish to thank you for your efficient and 

 prompt execution of my order in every detail. 



Alabama Polytechnic Institute, Dept. of Physics. 



Essen (Ruhr), 22 nd February, 1910. 

 I acknowledge receipt of your consignment of 19 th ult. 

 and after testing the apparatus beg to express my satis- 

 faction with the goods. 



Prof. Mathee, 

 Direktor der Kgl. Maschinenbauschule. 



K o m o t a u, 19 th February, 1910. 

 I am again very satisfied with the reliable and sub- 

 stantial construction of the apparatus. 



Prof. Dr. Franz Wolden, 

 K. K. Staats-Gymnasium. 



Hartford, Conn., 12 th February, 1910. 

 The apparatus you shipped to me arrived some time 

 ago and is entirely satisfactory. 



Trinity College, 

 Jarois Physical Lab. 



Ley sin, Canton de Vaud, 12 th February, 1910. 

 The apparatus for studying Radioactivity are espe- 

 cially characterised by their construction, and the mixture 

 of Radium and Zinc Sulphite is excellent from the phos- 

 phorescence point of view, for which I am very much 

 obliged to Messrs. Max Kohl. 



W. Stefko, Moscow. 



P a b i a n i c e, 1 st February, 1910. 

 All articles received in good condition and undamaged. 

 Directors of the Commercial Academy. 



Bruck a. d. Mur, 27 th January, 1910. 

 I am very pleased with the consignment just received. 



Dr. Paul Gaulhoser, 

 Physikalisches Kabinett der K, K. Staatsrealschule. 



Hernosand, 27 th January, 1910. 

 I am very pleased with the apparatus supplied. 



E. Tham, 

 Technische Elementarschule. 



Salzburg, 25 th January, 1910. 

 Many thanks for the goods with which, as in previous 

 instances. I am very satisfied. 



Karl Schnizer, 

 Teacher ;it the Public Commercial School. 



Sarospatek, 24 th January, 1910. 

 The Physical Apparatus ordered have arrived and the 

 packing is perfect. I am very well satisfied with the get- 

 up of the- articles. 



Alex. Mailer, 

 Teacher of Physics, Obergymnasium. 



P o z s o n y, 10 th January, 1910. 



The instruments have evoked all-round approval and 

 are faultless in every particular. 



Mather Oszwald & Tarsa. 



Leipzig, 3 rd January, 1910. 



At the commencement of the present ye?r I obtained 

 from you for the new Schiller- Realgymnasium here a double- 

 crank Rheostat after Briisch for a D. C. supply of 220 volts. 

 I am very pleased with the apparatus. 



Professor Dr. Starke, 

 Oberlehrer am Schiller-Realgymnasium. 



Droyssig b. Zeitz, 27 th December, 1909. 

 The apparatus which your firm has supplied are to 

 my entire satisfaction; they work very well. 



Seminarlehrer Jantzsch. 



Etteaheim, 22 nd December, 1909. 

 The transformer works well and economically when 

 connected up as stated. 



J. Ziegler, 

 Prof, am Realgymnasium. 



Riga, 19 th December, 1909. 



The last consignment duly to hand io good condition. 

 The precise and substantial manner of construction of the 

 apparatus leaves nothing to be desired. The apparatus 

 which you supplied a year ago also have been found ex- 

 cellent for teaching purposes. 



C. Krause, 

 Hohere Tochterschule von 0. v. Hasford. 



Hermannstadt, 15 th December, 1909. 

 The consignment for the Realschule received yesterday. 

 The apparatus are constructed in the excellent manner 

 generally reputed to your firm and we are very pleased with 

 them. 



Direktion d. ev. Gymnasium A. B. 

 (sd.) C. Albrlch. 



C z e r n o w i t z, 25 th November, 1909. 

 1 wish before all to emphasize the fact that every 

 piece of apparatus is nicely and accurately constructed and 

 that tests have shewn the same to work faultlessly. I 

 therefore consider it my duty to express to you in the 

 name of the Institution for which I work many thanks for 

 the care and precision with which you have filled this 

 order. 



Professor Alexander Buga, 

 Kustos d. physksl. Kabinetts am III. Staatsgymnasiurn. 



Tar now. i_'r' November, 

 The Physical Apparatus supplied to our Gymnasium 

 by your esteemed house have been received and we are 

 perfectly satisfied \vitli the eonstruelinn of the i-ame. 



I. Staatsgymnasiurn, 

 Physikalisches Kabinett. 



