In this episode of the History Explorer podcast series, curator Diane Wendt introduces us to one of the stranger objects in the museum's collection and gives an insight into cod liver oil and its ties to the history of brand marketing. Includes accompanying resources for classroom use.

A New Havel Motor brand pocket watch with black faceplate and radium painted numbers and clock hands. The watch case is made of plated metal and has a ridged winding mechanism at the top. "New Haven Motor" and "Radium" are printed in white lettering on the watch face.In the 1910s–1920s, radium was

In January 1917, members of the National Woman's Party (NWP) became the first people to picket the White House. Protesting the government's failure to pass a constitutional amendment enfranchising women, NWP members, led by Alice Paul, began picketing the White House. Their purple, white, and gol

La Malinche, the title of this lithograph, was the indigenous woman who translated for Cortés between Maya, Náhuatl, and Spanish during his first years in Mexico. Considered either as a traitor or a founding mother by some Mexicans, La Malinche was Cortés' lover and the mother of his

In the 1950s, the station wagon became a staple of America's new suburban landscape and a ubiquitous extension of the suburban home. This car reveals how one family adopted a mobile, active lifestyle and how station wagons shaped family life. Between the 1920s and 1940s, station wa

While leg makeup has been commercially available since the 1920s, it wasn't until rationing was introduced during the World War II that the product became an essential commodity for many American women. Unable to procure silk or nylon hose, many women resorted to painting their legs with products

The French-born artist Jean Charlot spent his early career during the 1920s in Mexico City. His 1948 lithograph depicts a scene from the domestic life of a Mexican indigenous woman, a favorite theme of the artist. Household work-without the aid of most, if any, electrical appliances-was a full-ti

From the 1920s, psychologists have explored ways to automate teaching. In the 1950s, the psychologist B. F. Skinner of Harvard University suggested that techniques he had developed for training rats and pigeons might be adopted for teaching humans.

Life on America's farms in the 1920s and 1930s meant hard work and frugal habits. Farm families were used to "making do" with what they had, wasting nothing that could be recycled or reused. With feed sacks and flour bags, farmwomen took thriftiness to new heights of creativity, transforming the

During World War I, machine guns were heavy, crew-served weapons. Their operation required several soldiers. Even so-called light machine guns could not easily be handled by single soldiers. To meet the need for an individual rapid-fire weapon, several inventors devised submachine guns. Light eno