Skip to main content

Features

The Broadway and Seventh Avenue Cable Road

Charles Pratt

Defenseless Condition of our Seaports

Dr. Edward Maynard

New Method of Chamfering Stone

An Improved Wrench

Open Column Manometer on the Eiffel Tower

Improvement in Jack-Screws

Ancient Methods of Drawing Water

Castrography

Departments

  • Letters

    Correspondence- May 16, 1891

  • Recommended

    New Books and Publications- May 16, 1891

  • Departments

    Recently Patented Inventions- May 16, 1891

  • Notes and Queries- May 16, 1891

  • Business and Personal- May 16, 1891

  • Index of Inventions- May 16, 1891

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
May 16, 1891

Help Us Reforest the Mississippi River Valley