120 Emil Sydow, Berlin NW. 



[No. 2794. 



Emil Sydow, Berlin NW. 



13, Albrechtstrasse. 



University Mechanician and Optician, Maker of Ophthalmic 



Instruments. 



Speciality: Ophthalmoscopes, Laryngoscopes, Reflection mirrors. 

 Awarded several Gold and Silver Medals and Diplomas* 



Motto: ,Ein Mann, der recht zu wirken denkt, 

 Muss auf das beste Werkzeug halten." 

 Goethe. 



I. Complete Set of Standard Test Lenses; solid walnut case 

 lined with red velvet. Double scale. Lenses ground and numbered in 

 terms of dioptra; mounted in gilt or silver-plated frames, fig 1, on page 121. 

 (Catalogue No. 133). Cylindrical lenses partly greyed for quickly finding 

 the axis. Lid of case made to readily open. 



II. The same set in rose-wood case, inside polished ebony. Lid of 

 case made to readily open. 



III. The same set. Case of solid walnut throughout. Eemovable lid. 



IV. Military Spectacle Test Case, No. II, as used by the German 

 Army Administration; made of oak, exactly according to the direction 

 of the military autorities. Fig. 2. (Catalogue No. 139.) 



Fig. 2. (Catalogue No. 139.) 



Ophthalmic Instruments: Liebreich's Large Stable Ophthalmoscope; 

 Demonstration model on stand, fixing to table, complete; mahogany case. 

 Ruete's Ophthalmotrope. Large demonstration model. 



Stockes's Variable prism; indicating 130. Stenop. Variable 

 Hand Folding Glass. 



