THE COMPOUND MICROSCOPE 19 



I calculate that many of my readers wiU be 

 naturalists, and anxious to know of an instrument 

 which will serve them in the general purposes of 

 nature study. To such I can recommend confidently 

 " The NaturaHst's Microscope," made by Messrs. 

 W. Watson and Sons, Ltd., London, illustrated in 

 Fig. 6. This tool is well made in every detail. It 

 has good rack-and-pinion coarse adjustment, an 

 incUning joint, and the mirror and stage are re- 



1^- 

 Fig. 6.— Watson's " Naturalist's " Microscope. 



movable. The mirror can be used below the stage 

 for transmitting hght through the object, or fixed 

 on the stage to reflect hght on to the object, if it be 

 opaque. The base is formed either by the case in 

 which the instrument is supphed or by the bench 

 on which it is used. A socket in the side of the 

 case holds the stand firmly, and a socket is supphed 

 as a bench fitting. The stand alone, with bench 

 socket, costs only £1. A strong case costs an extra 

 7s. 6d. One eye-piece and a 2-inch objective, 



