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Features

The Meridian Circle in the Paris Observatory

Utilization of the Heat of the Sun, A New Cement, and more

Curious Hydraulic Experiments

The Paris Exposition

The Education of a Civil Engineer

Rubies and Sapphires, Artificially Produced

New York Academy of Sciences

An Ingenious Method of Cutting Spiral or Rifle Grooves with an Ordinary Planer

New Diamond Tool Millstone Dressing Machine

Draper's Stovepipe Joint

Roth's Improved Saw File Guide

Rice's Improved Boiler Feeder

Konz's Improved Furniture Caster

A Beautiful Orchid

The Silky Marmoset

Astronomical Notes

Reeves' Excavator

Hymer's Coal Cabinet

Communications Received

Wants and Business Inquiries

The Scientific American

Departments

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    Business and Personal

  • Notes and Queries

  • Index of Inventions

  • Patents

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January 05, 1878

Think Outside the Gift Box