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Railway Progress And Requirements ,And More

The Prevention Of Virulent Diseases.

The Evolution Of Ideas.

A Visit To The Testing Station Of The Industrial Academy, Berlin.

Novel Clothes Line Pulley.

Engineering Inventions.

New Folding Boat.

Improvement In Stoves.

Improved Car Starter.

Astronomical Observations At High Elevations,

American Industries.-No, 54

Improved Cross Tie,

Mechanical Inventions.

American Milling As Seen By An Englishman.

The Extraction Of The Salts Of Sodium And .Potassium From The Mother Lye Of The Mediterranean Salt Pits.

The Livadia.

New Inventions.

The Sturgeon,


New Use For Cyprus Reed Stems.

Formation Of American Coal.

The Geological History Of The Catskills

Agricultural Inventions.

Recent Decisions Relating To Patents ,And More

Business And Personal


  • Departments

    Notes And Queries

  • Communications Received.

  • Index Of Inventions

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