Scientific American Magazine Vol 38 Issue 1

Scientific American Magazine

Volume 38, Issue 1

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Features

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

The Meridian Circle in the Paris Observatory

Curious Hydraulic Experiments

The Education of a Civil Engineer

Rubies and Sapphires, Artificially Produced

The Paris Exposition

New York Academy of Sciences

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

New Diamond Tool Millstone Dressing Machine

Rice's Improved Boiler Feeder

Konz's Improved Furniture Caster

Roth's Improved Saw File Guide

Draper's Stovepipe Joint

A Beautiful Orchid

The Silky Marmoset

Reeves' Excavator

Astronomical Notes

Hymer's Coal Cabinet

Communications Received

Wants and Business Inquiries

The Scientific American

Departments

Notes and Queries

Business and Personal

Index of Inventions

Patents