WE GO A-SPONGING 



V l-;I-,VTy.- 



HEN a good compound 

 microscope becomes as 

 common an object in our 

 homes as is a clock or a 

 piano, we may be certain that 

 the succeeding generation will 

 grow up with a much broader 

 view of life and a far greater 

 realisation of the beauties of 

 the natural world. To most 

 of us a glance through a mi- 

 croscope is almost as unusual 

 a sight as the panorama from 

 a balloon. While many of the 



implements of a scientist arouse enthusiasm only in him- 

 self, in the case of the revelations of this instrument, the 



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