Inside Out Library · Explore

Abraham Lincoln's vocations (1849)

Lincoln Financial Foundation Collection · leaf 28

An illustration from Abraham Lincoln's vocations, 1849, leaf 28
In this modern, fully equipped laboratory exhaustivechemical and metallurgical tests are conducted on metal,fabric, wood, paper and plastics. A 50-ton room suj)i»orted on numerous steel springsaffords perfect acoustical isolation, insuring precisionmeasurement on noise and vibration problems.…

Lincoln, Abraham, 1809-1865 · Inventors · Inventions

Internet Archive · Public Domain Mark 1.0. Free to use for anything.

More pictures from Abraham Lincoln's vocations

More like this