Ernil Sydow, Berlin NW. 123 



Schweigger's Hand Perimeter, extremely practical (560 sold), fig. 3. 

 (Catalogue No. 162.) 



Fig. 3. (Catalogue No. 162.) 



Laryngoscopes. Various Reflectors of aluminium mounted in 

 bronze. 

 Copper plated Laryngoscope. 



Laryngoscopic sets. Illuminating lamps. 



Lenses: Hartnack's Spherical Lens, with two powers mounted 

 together. 



Hartnack's Spherical Lens, Bruecke's and Zehender's Lenses. 

 Various specimens. 



Miscellanea: Hilgendorf's Auxanograph. Apparatus for sketch- 

 ing small natural objects. 



New Automatic Plugging mallet, with elbow joint. 

 Selle's Microscope Mirror. 



Luxurious Special Catalogue Gratis on Application. 



