XII. MISCELLANEOUS. 1003 



glass jars, which are placed along the periphery of the circular shelves, can be 

 easily seen or taken out, instead of their being arranged as is generally the 

 case in museums in a straight line, taking double or treble space. In some 

 glass jars is to be seen the manner in which the specimens are fixed to glass 

 threads, which prevent their coming in contact. 



3950d. Page's Gas Regulators (2). E. Cetti and Co. 

 3950e. Geissler's Gas Regulator. E. Cetti and Co. 



