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Gas, Oil, and Burning Fluid

The General Admiral

American Museum of Zoology

Whitman's Turbine Windmill

American Machines in Australia

Railroad Cars--Dead Weight

Social Progress of Workmen

Inventors' Honors--Strange Case

The Frigate Niagara

The Season

Observations on the Connection of the Elements by their Atomic Weights

Concrete Houses

Will Saltpeter Explode?

Improved Smut Machine


Inventors, Millwrights, Farmers and Manufacturers


  • Departments

    Notes and Queries - April 23, 1859

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Self-Awareness or Illusion?

Self-Awareness or Illusion?

Solving the “Hard Problem”