The Aquarium 9 



tables. They have no special merit outside 

 of their decorative effects. 



A cheaper aquarium is made of a tin 

 frame with glass sides and tin bottom. 



Fig. 6. Hexagonal aquarium. 



While a vessel of this construction is not 

 suitable for large aquariums, it does excel- 

 lent service in sizes up to 16 gallons. To 

 prevent damage and eventual destruction by 

 rust, all the metal parts of such an aquarium 



