68 



LABORATORY MICROSCOPES. 



\CH. II. 



1 



Fig. 72. Natchet & Fils' Medium Microscope No. 4 with l\rovable Stage. The 

 French microscopes set the fashion for the Continent 0/ Europe, and the Conti- 

 nental or Hartnack Model with the horse shoe base has extended to all lands, but 

 see Carpenter-Dallinger, p. 20S. 



