NOTE OX SOME PORTABLE MICROSCOPES. 



75 



The leather case measures 9 x 3J x 3 in., will hold the apparatus 

 as shown in Fig. 5, and is proWded w^tli handle or shoulder strap. 



Weight of Microscope with eyepiece 2 lb. 64 oz. 

 Weight of case ... ... ... 15 oz. 



The price of Microscope, 1 eyepiece and case, is X5. 



Fig. 6. 



A mechanical stage can be fitted if desired, and the understage 

 tube will take a full-size Abbe or other condenser ; altogether 

 a very charming and practical instrument. 



Messrs. Watson & Sons' Portable Microscope is shown in the 

 annexed figure (Fig. 6). The folding tripod has a spread of 5| in. 



