Show BITS OF SCIENCE The new Danish submarine boat has proved a great success The crew of two men has sustained life for several hours without inconvenience an additional addi-tional supply of oxygen being carried The applicationof hydraulic power to the manufacture of steel seamless boats is ono of the latest things in England These boats are thought to be in every particular superior to those made of wood and can be made at about tho same cost Through errors in the triangulation of Hungary the maps of Austria have heretofore here-tofore made it out to be a much smaller country than it is in reality The official I maps show that dt contains 324712 square kilometers An experiment in photographing the i bottom of a well 17QO feet deep was recently re-cently made and a perfect picture obtained ob-tained The instrument was let down and the moment it t6uched the bottom a bright flash lighted up the cavity revealing re-vealing as tho effect of the explosive shock a very large laole It is now propose < Fto bleach and purify puri-fy by electricity not only cotton seed and I other oils but drinking water the current cur-rent acting upon common salt from which it evolves chlorine |