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Features

The Manufacture of Emery Wheels

Science and Commerce as Peacemakers

The Utilization of Waste Matters

“Convict Competition”

Sterilization by Light

A Dangerous Item

A Water Lens Microscope

By Geo. M. Hopkins

The Culture of House Plants

Compound Marine Engines

Plant Mind

Steam Boiler Inspection

Combined Dinner Pail and Lantern

Improved Variable Exhaust

The Baobab Tree

The Three-Tailed Birthwort

Astronomical Notes

By Berlin H. Wright

Coleman's Improved Pipe Wrench

A New Vehicle

French Band Saw Blades

Communications Received

The Scientific American

Departments

  • Departments

    Business and Personal

  • Notes and Queries

  • New Books and Publications

  • Index

  • Patents

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April 27, 1878

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