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A Wonderful Clock

Inventions in China

The Bessemer Steel Interest

Technical Science in New Zealand

Recent Investigation into the Action of Anæsthetics

Copyrighting Fruit

The Social Science Association

Mechanical Inventions

A New Combined Punch and Shear

New form of Reynier's Electric Lamp

Practical Experiments in Magnetism, with Special Reference to the Demagnetization of Watches.--No. 1

By Alfred M. Mayer

Miscellaneous Inventions

Edison's Latest Telephone

A New Surf Boat

Giant Insects

Recent Decisions Relating to Patents, Trade Marks, Etc

Fire Screen

Communications Received


  • Departments

    New Books and Publications

  • Business and Personal

  • Notes and Queries

  • Index of Inventions

  • Patents

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September 27, 1879

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