You have access to SA issues and articles on Sciam through institutional access. Click here if you'd like to opt out.

You have access to Scientific American issues and magazine articles through your institution’s site license

Skip to main content

Features

Important Tests to be made of Heavy Armor Plating

An Improvement in Locks and Keys

A Convenient Sponge for Cleaning Slates

An Artificial Lake and Water Slide

An Improved Slide Valve for Engines

A Coal Elevator for Railway Service

An Improved Knife Sharpener and Polisher

The Meeting of the Great Shields of the St. Clair River Railway Tunnel

Photographic Notes- September 13, 1890

Work of Amateur Electricians

New Form of Towing Steamers

A Swinging Hydraulic Capstan

The Kola Nut

By Nicolas Pike

Killing Large Sunfish with Firearms

Engine Pounding--Ways of Stopping It

The Scientific Use of Common Things

Departments

  • Letters

    Correspondence- September 13, 1890

  • Departments

    Notes and Queries- September 13, 1890

  • Index of Inventions- September 13, 1890

  • Business and Personal- September 13, 1890

  • To Inventors- September 13, 1890

  • Recently Patented Inventions- September 13, 1890

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
Scroll To Top