The Smithsonian’s National Museum of American History has accepted the donation of the papers of the late inventor Jerome H.

In 1620 an English mathematician and astronomer named Edmund Gunter described a surveyor's chain with 100 links, measuring 66 feet (22 yards or 4 poles) overall. By this design, one square chain ...

Each year, people across the United States observe National Hispanic Heritage Month from September 15 to October 15 by celebrating and reflecting on the histories, cultures, and contributions of ...

Hanger-type sword of forged steel with grooved blade. Grip of green-dyed ivory with silver strip decoration. Leather scabbard with silver trim. Specific History George Washington wore this simple ...

The indications or uses for this product as provided by the manufacturer are: The delicious flavor of this safe and efficient dentrifice makes it easy to form the important habit of brushing the teeth ...

Signet ring worn by Tom Selleck in the role of Thomas Sullivan Magnum on the television series Magnum P.I. The ring is gold, with a gold Cross of Lorraine (double barred cross) inlaid on a black oval ...

A label on this electric sterilizer reads “RENWAL / 120 VOLTS A. C. ONLY / STARTS 5 AMP. / RUNS 2 AMP. / STERILIZER No. 5 / PROTECTED BY US PATENTS / 2158692 / 2158698 / 223023[?] / 2230245 / ELECTRIC ...

This photograph shows Lucy Branham with a banner protesting the treatment of suffrage leader Alice Paul. In January 1917, discouraged by President Wilson’s continued opposition to the suffrage ...

In 1896, William McKinley became the Republican presidential nominee in the midst of an economic crisis that had been going on for three years. In response, one of his campaign slogans was a “full ...

The indications or uses for this product as provided on its packaging: For beautifying and softening the hair. Directions: Glossine is to be used only after the hair has been thoroughly cleaned. Use ...

This 6-3/8" brass rule unfolds to form a set square. The outer edge of one leg has a centimeter scale numbered by ones from 1 to 16. It is marked: Nelle Mesure. The outer edge of the other leg has a ...

In the mid 1800s, after being cleaned and stretched, beaver skins were transformed into beaver pelts such as this one. Dark brown in color, this beaver pelt is rather large—almost two feet in diameter ...