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Features

Important Improvements in Sorghum Sugar Manufacture

Poor Engineers and Good Boilers

Plates for Secondary Batteries

Position of the Planets in December

Coal Handling Devices

A New Street Cleaner

A Pipe Die Stock for Various Sizes of Pipe

An Improved Springless Lock

An Efficient Knife-Grinding Machine

An Automatic Grain Measuring Machine

An Improved Window Frame

The Exhibition of 1892-93

Static Electrical Motors

Bessemer's Fluid Metal Rolling Mill

Photographic Notes- November 28, 1891

A Telescope for Schools and General Use

Departments

  • Letters

    Correspondence- November 28, 1891

  • Recommended

    New Books and Publications- November 28, 1891

  • Departments

    Recently Patented Inventions- November 28, 1891

  • To Inventors- November 28, 1891

  • Notes and Queries- November 28, 1891

  • Index of Inventions- November 28, 1891

  • Business and Personal- November 28, 1891

  • Patents- November 28, 1891

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November 28, 1891

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