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A Wonderful Clock

Technical Science in New Zealand

The Bessemer Steel Interest

Inventions in China

The Social Science Association

Copyrighting Fruit

Recent Investigation into the Action of Anæsthetics

New form of Reynier's Electric Lamp

Mechanical Inventions

A New Combined Punch and Shear

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

By Alfred M. Mayer

Edison's Latest Telephone

Miscellaneous Inventions

A New Surf Boat

Giant Insects

Recent Decisions Relating to Patents, Trade Marks, Etc

Fire Screen

Communications Received


  • Departments

    Business and Personal

  • Notes and Queries

  • New Books and Publications

  • Index of Inventions

  • Patents

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