SOIOPTICON MANUAL. 



53 



clear, and protects it from dust, and especially from any 

 fluid that might accidentally reach the edges of the glass. 

 All the circular pictures, except the movables, at a price 

 of over two dollars, are sealed. 



STATUARY. 



This class of pictures should be photographed directly 

 from the statuary, or bas-relief, by a skilful artist, who 



Fiff. 18. 



understands lighting and how to secure the proper 

 degree and gradations of shading. It appears to the 



