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The Patent Bill Now Before the Senate

The St. Gothard Railway Tunnel

The First Step in Invention

The New Meteorite

Mechanical Inventions

New Soldering Tool

Improvement in Boilers

Ironing Table, Clothes Drier, and Step Ladder

New Mole and Gopher Trap

Speaking Picture Book

Engineering Inventions

New Car Door Fastener

Drying Oven with Constant Draught of Dry Air

Apparatus for Continuous Displacement

American Industries.--No. 35

Non-Conducting Covering for Heated Surfaces

Improved Riding Attachment for Cultivators


Miscellaneous Inventions


  • Departments

    Recent Inventions

  • Business and Personal

  • Notes and Queries

  • New Books and Publications

  • Index of Inventions

  • Patents

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March 20, 1880

Science for the Modern World