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Features

Kindling Wood Splitter

Shoe Stretcher

Foot Power Band Saw

The Doctors and the Apothecaries

The Eye and the Sun

Photograph Portraits--An Improvement

Steam as a Fire Extinguisher

The Balance Wheel Question

Recent Discoveries in the Pyramids

Artificial Fertilization

Silvering Glass

The Signal Service Bureau

Traction Engines or Road Locomotives

Professor Tyndall's Sixth and Concluding Lecture in New York

A Simple Photometer

Astronomical Notes

Plumbago, Black Lead, Graphite

Combination Grinding Machine

Improved Self Car Coupler

The New St. Thomas' Hospital

English Agricultural Implements

Recent American and Foreign Patents

Answers to Correspondents

Communications Received

Departments

  • Departments

    Correspondence

  • New Books and Publications

  • Notes and Queries

  • Business and Personal

  • Index of Inventions

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February 08, 1873