This is a set of eight "dropping sticks" used to teach acoustics. It was made in Paris by the famous scientific instrument maker Rudolph Koenig, sometime between 1858 and 1902. This particular set was used in the introductory physics class of the Worcester Polytechnic Institute. These s

Mariachis, groups comprised of vocalists, trumpeters, violinists, and various bass and guitar players, are today considered Mexico's traditional musical ensemble. Originally from the state of Jalisco, mariachi music transformed itself from a regional to a national music between the 1930s and 1950

Lace-making and sewing were more than utilitarian projects. They allowed young girls to express themselves artistically while learning discipline and attention to detail. This embroidered linen and lace pillow sham belonged to Miguel Roses at the turn of the 20th century. Bird and flower designs

This is a patent model of a sewing machine invented by John Bachelder of Boston, Mass., who was issued Patent No. 6439 on May 8, 1849. In his patent specification he claims "As my invention or improvement in the sewing machine is the combination, with the endless cloth-holder, of the curved bar o

As the “Millennium Bug” gained media attention, some businesses used the hype to market special millennium foods. From cars to breakfast cereal, companies like the Figueroa Brothers, Inc., cashed in on the Y2K name. This bottle once contained Y2K Millennium Meltdown ¿R-U-Ready? hot sauce, a

This Sony "Walkman" portable tape player dates from the early 1980s. Originally introduced in 1979 as the “Soundabout,” two people could listen simultaneously while a small microphone permitted them to converse without removing their headsets. Powered by a 9-volt battery, the recorder sold we

World War I provided a testing ground for the application of new medical technologies and procedures and, in some cases, accelerated their general acceptance or development in a much wider context. Simultaneously, wartime medical practice reflected the larger concerns and prejudices of early 20th

Board of Health: OBSERVATION QUARANTINE: Persons other than those of the household and those legally authorized are forbidden to enter. No person other than those authorized by the Board of Health shall remove this placard. Any person or persons defacing, covering up or destroying this placard rende

For decades, teachers drilled American school children using flash cards that gave simple arithmetic problems. The advent of inexpensive electronic calculators in the 1970s made it possible to do much routine arithmetic automatically. To teach school children the meaning of basic operations, new dev

The resources American Indian Perspectives on Thanksgiving, Harvest Ceremony: Beyond the Thanksgiving Myth from the Smithsonian's National Museum of the American Indian examine the deeper meaning of the Thanksgiving holiday for American Indians through the themes