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Features

An Obelisk at Sea

Improved Automatic Fire Escape

The Science of Play

Curious Animal Relationships

Influence of the Spinal Cord on Bodily Temperature

Imitation Terra Cotta

Another Traveling Expedition

Amateur Observations of the November Meteors

The Duties of the Commissioner of Patents and the Supervising Powers of the Secretary of the Interior

Allan's Pressure Gauge

Improved Double Shedding Harness Jacquard Loom

A New Dredging Apparatus

Improved Ship's Speed Indicator

New Electrical Machines

Improved Window Fastener

Improved Safety Alarm and Door Bell

The Cosmograph

Orchids

Recent American and Foreign Patents

New Miscellaneous Inventions

New Household Inventions

New Mechanical and Engineering Inventions

Communications Received

Departments

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    New Books and Publications

  • Notes and Queries

  • Business and Personal

  • Index of Inventions

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October 27, 1877

See the World from a Different Perspective

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