A GREAT MARINE MUSEUM 



197 



Fig. 1. Exhibit of Apparatus for deep-sea Exploration, sounding machines and 



bottom samplers. 



the exhibits of harbor construction, light houses and life-saving equip- 

 ment, and the scientific departments of special interest to those con- 

 cerned in marine investigations. 



The first of these is the collection of nautical and oceanographic 

 instruments and the oceanographic exhibit. The collection of charts, 

 compasses, sextants, chronometers, clinometers and ship's logs is exten- 

 sive. In adjacent rooms, 3 to 6, are to be found a most excellent and 

 an almost historically complete collection of the instruments devised 

 for deep-sea exploration. Sounding leads, pressure tubes and bottom 

 samplers from the time of the expeditions of the Challenger (1873- 



