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Light Out of a Dark Tragedy, Lessons of the "Titanic" Disaster and more

The Late Abbott Lawrence Rotch

A Pioneer Investigator in Aerology

By Andrew H. Palmer

What we Know About Icebergs

How They are Formed; Their Characteristics; How They Drift; Precautions Taken to Protect Shipping Against Them

Wreck of the White Star Liner "Titanic"

How the World's Greatest Steamship Went Down With 1,600 Souls

A New Phonograph

A Machine that Works on an Entirely New Principle By the Paris Correspondent of the Scientific American

A Bell-ringing Transformer

By Frederick E. Ward

The Laboratory

Some Suggestions for Home Experiment

By C. C. Kiplinger

What Inventors are Doing

Simple Patent Law; Patent Office News; Inventions New and Interesting

By Guy Hubbard

A Substitute for Pencil Cedar, Blood as a Weapon of Defense and more


  • Recommended

    New Books, Etc. - April 27, 1912

  • Departments

    Correspondence - April 27, 1912

  • Recently Patented Inventions - April 27, 1912

  • Notes and Queries - April 27, 1912

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