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Rapid Transit in New York

The Naval Engineer Corps

The Science of Currency

Milk and Its Adulteration

A Bit of Ancient Travel

Milking Cows

The Father of Waters

To the Friends and Patrons of the Scientific American

Improved Universal Emery Grinder

Improved Animal Trap

A New and Useful Architectural Work

Markrud's Wagon Brake

The Stockwell Self-Lighting Gas Burner

Singular Electrical Experiments

By A. Ricco

The Chromostroboscope

By A. Ricco

Improved Incubator

Decisions of the Courts - April 1, 1876

New Chemical and Miscellaneous Inventions - April 1, 1876

Recent American and foreign Patents - April 1, 1876

Communications Received - April 1, 1876


  • Letters

    Correspondence - April 1, 1876

  • Departments

    Business and Personal - April 1, 1876

  • Notes and Queries - April 1, 1876

  • Index of Inventions - April 1, 1876

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