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Features

The Thermo Phote, or Self-Registering Photometer

Arrival of the Statue of Liberty

Japan at the New Orleans Exposition

Pitman Attachment for Sewing Machines

An Electric "Front-Sight" for Firearms

Railway Tamping Machine

School Desk and Seat

Improvements in Upright Grand Pianos

Simple Push Button for Electric Bells

The Engine and Boiler of the Stiletto

The Needle and Thread Plant

Engineering Inventions

Miscellaneous Inventions

Agricultural Inventions

Mechanical Inventions

Departments

  • Letters

    Notes and Queries - June 27, 1885

  • Departments

    Business and Personal

  • Index of Inventions - June 27, 1885

  • Index - June 27, 1885

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June 27, 1885

Beyond XX and XY

Biology. Identity. Equality.