xlii 



LIST OF CONTRIBUTORS. 



ROYAL HIGH SCHOOL OF INDUSTRY 

 (Dr. Wiecke, Director), Cassel, 

 2, 3, 9, 15, 16, 17, 18. 



KOYAL LIBRARY (Prof. Dr. Lepsius, 

 Chief Librarian), Berlin, 5. 



ROYAL MINING DIRECTORY, Saar- 

 briick, 16. 



ROYAL MUSEUM (Dr. Finder, Di- 

 rector), Cassel, 3, 5, 11, 12, 18. 



KOYAL POLYTECHNIC (GEWERBE) 

 ACADEMY (Prof. F. Reuleaux, 

 Director), Berlin, 1, 3, 4, 11. 



KOYAL POLYTECHNIC SCHOOL, Aix- 

 la-Chapelle, 3, 4. 



KOYAL PRUSSIAN GENERAL STAFF, 

 ORDNANCE SURVEY (Lieut.-Gene- 

 ral vonMoro/owitsch), Berlin, 15. 



KOYAL PRUSSIAN GEODETIC INSTI- 

 TUTE, Berlin, 3. 



ROYAL PRUSSIAN UPPER MINING 

 COURT, Brcslau, 16, 19. 



ROYAL SAXON MINING ACADEMY 

 (Prof. Richter, Director), Freiberg, 



10, 12,13, 16, 17. 

 KUMANN, C., Gottingen, 18. . 



SAAME & Co., Ludwigshafen-am- 



Rhein, 13. 



SARTORIUS, F., Gottingen, 3, 5, 13. 

 S CHAFFER, H., Darmstadt, 3. 

 SCHEIBLER, DR. C., Berlin, 13. 

 SCHERING, PROF. DR., Gottingen, 9, 



11, 15. 



SCHERING, E., Berlin, 13. 

 SCHICKERT, H., Dresden, 3. 

 SCHMIDT AND HAENSCH, 2, Neue 



Schonhauser Strasse, Berlin, 7,11, 



13, 15, 18. 

 SCHOBER, J., 35, Adalbert Strasse, 



Berlin, 13, 19. 

 SCHOTTE, E., Potsdamer Strasse, 



Berlin, 11, 15. 



SCHREIBER, DR., Chemnitz, 14. 

 SCHRODER, H., Hamburg, 11. 

 SCHUBRING, G., Erfurt, 6, 11. 

 SCHUCHARDT, DR. T., Gorlitz, 7,13, 



17. 

 SCHUR, DR. (Assistant, Observatory), 



Strasburg, 11. 

 SCHUTTE, O., Coloqne, 8. 

 SCIIWERD, L. E., Carlsruhc, 1O. 

 SEIBERT AND KRAFFT, Wetzlar, 18. 

 SEIDEL, PROF. (Conservatorium of 



the Mathematical and Physical 



Collections of Bavaria), Munich, 



11. 

 SIEMENS, DR. W., Berlin, 1O. 



SIEMENS BROS. . & Co., Cliarlotten 

 burg, Berlin, 5, 1O, 12. 



SIEMENS AND HALSKE, Markyrafeti 

 Strasse, Berlin, 3, 5, 7, IO, 14. 



SIEVERS, F., Wehlheiden, Cassel, 16. 



SITTE, R., Breslau, 18. 



SOCIETY, GERMAN CHEMICAL, 13. 



SOHNCKE, PROF., Carlsruhe, 17. 



SOMMERBRODT, DR., Breslau, 18. 



SOMMERING, C., Frankfort- on-Maine, 

 10. 



SPIEGEL, M., Breslau, 16. 



SPRENGER, E., 75, Ritterstrasse, 

 Berlin, 3, 15. 



STAUDINQER & Co. (F. W. von 

 Gehren), Giessen, 3, 5. 



STEEG, W., Hamburg, 8, 17. 



STEGER, A., Kiel, 3, 8, 15. 



STEGER & HONIKEL, Leipzig, 18. 



STEIN, DR. S. T., Frankfort-on- 

 Maine, 18. 



STEINHEIL, A. & E., Munich, 11. 



STEINHEIL, C. A. SONS, Munich, 11. 



STERN, H., Oberstein, 3. 



STOIIRER, E., Leipzig, 9, 10, 18, 19. 



STOLLENREUTHER, Munich, 18. 



STURTZ, B., Bonn, 16, 17. 



STRASBURG, CHEMICAL INSTITUTE 

 OF THE UNIVERSITY OF, 13, 19. 



Suss, F., Marburg, 6, 7, 18. 



TALBOT, R., 68, Auguststrasse, 

 Berlin, 7. 



TASCHE, DR., Giessen, IO. 



TELEGRAPHIC DEPARTMENT, IM- 

 PERIAL GERMAN, Berlin, IO. 



TELLER, JUL., Munich, IO. 



TESCUNER, W. (Successor to J. 

 Amuel), 180, Friedrichstrasse, Ber- 

 lin, 18. 



TOLLENS, PROF. B., Gottingen, 13. 



TIEFTRUNK, DR., Municipal Gas- 

 works, Berlin, 13. 



TIEMANK, DR. F., Berlin, 13. 



TONINETTI, P. (Pathological Institu- 

 tion, Prof. Dr. Virchow, Director), 

 Berlin, 18. 



TROMMSDORFF, DR. H., Erfurt, 13. 



TRUNK, C., Eisenach, 11. 



UHLENHUTH, E., Anclam, Pomerania, 

 2,15. 



URACH, H. H. THE DUCHESS OF, 

 Stuttgart, 1. 



VAAST AND LITTMANN, Halle, 8. 



VETTER C. (formerly L. Hester- 

 rnaun), Hamburg, 19. 



VIERORDT, PROF. DR. \on, Tubin- 

 gen, 18. 



