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- Westinghouse Type TL Ammeter, circa 1911 - In the late 1800s and early 1900s, companies that supplied electricity to consumers needed a variety of instruments to regulate and monitor electrical output. These instruments were vital to the operation of power stations and needed to be accurate and rugged. Ammeters--used to measure the current in a circuit--could be found on switchboards or connected to motors and generators.
- circa 1911
- Collections - Artifact
Westinghouse Type TL Ammeter, circa 1911
In the late 1800s and early 1900s, companies that supplied electricity to consumers needed a variety of instruments to regulate and monitor electrical output. These instruments were vital to the operation of power stations and needed to be accurate and rugged. Ammeters--used to measure the current in a circuit--could be found on switchboards or connected to motors and generators.
- Westinghouse Type C Switchboard Wattmeter, 1906-1911 - In the late 1800s, companies that supplied electricity to consumers needed a way to measure how much customers used -- and then charge them accordingly. Inventive electrical engineers developed various methods to measure electric power. Induction meters that employed magnetic fields to rotate a disc or cylinder to register energy usage would become the standard. Continued improvements made these wattmeters more compact and reliable.
- 1906-1911
- Collections - Artifact
Westinghouse Type C Switchboard Wattmeter, 1906-1911
In the late 1800s, companies that supplied electricity to consumers needed a way to measure how much customers used -- and then charge them accordingly. Inventive electrical engineers developed various methods to measure electric power. Induction meters that employed magnetic fields to rotate a disc or cylinder to register energy usage would become the standard. Continued improvements made these wattmeters more compact and reliable.
- Hallmark "It's a Wonderful Life" Christmas Ornament, 1991 - Already known for greeting cards, Hallmark introduced a line of Christmas ornaments in 1973. The company's annual release of an increasing array of ornaments revolutionized Christmas decorating, appealing to customers' interest in marking memories and milestones as well as expressing one's personality and unique tastes.
- 1991
- Collections - Artifact
Hallmark "It's a Wonderful Life" Christmas Ornament, 1991
Already known for greeting cards, Hallmark introduced a line of Christmas ornaments in 1973. The company's annual release of an increasing array of ornaments revolutionized Christmas decorating, appealing to customers' interest in marking memories and milestones as well as expressing one's personality and unique tastes.
- Advertising Brochure Selling Motion Pictures to Theater Managers, "Book the 4 and Pack 'Em In," Norman Studios, 1922 - In the early decades of the 20th century, a number of independent film companies emerged to provide black-oriented films for the African American market. One such company was Norman Studios in Jacksonville, Florida. Formed in 1920, the studio provided films and stories featuring African American actors in non-stereotypical roles. This brochure highlights several of the company's more successful productions.
- 1922
- Collections - Artifact
Advertising Brochure Selling Motion Pictures to Theater Managers, "Book the 4 and Pack 'Em In," Norman Studios, 1922
In the early decades of the 20th century, a number of independent film companies emerged to provide black-oriented films for the African American market. One such company was Norman Studios in Jacksonville, Florida. Formed in 1920, the studio provided films and stories featuring African American actors in non-stereotypical roles. This brochure highlights several of the company's more successful productions.
- Music Sheet, "Take Your Girlie to the Movies (If You Can't Make Love at Home)," 1919 - By the 1920s, motion pictures became the dominant form of public entertainment--Hollywood and the movie industry reached new heights of popularity. When the first all-talking movies debuted in 1929, attendance nearly doubled. Shown in theaters nationwide, movies created a widely shared experience among moviegoers. Films influenced American culture at all levels, from manners and morals, to speech, fashions, and social and ethical values.
- 1919
- Collections - Artifact
Music Sheet, "Take Your Girlie to the Movies (If You Can't Make Love at Home)," 1919
By the 1920s, motion pictures became the dominant form of public entertainment--Hollywood and the movie industry reached new heights of popularity. When the first all-talking movies debuted in 1929, attendance nearly doubled. Shown in theaters nationwide, movies created a widely shared experience among moviegoers. Films influenced American culture at all levels, from manners and morals, to speech, fashions, and social and ethical values.
- Westinghouse Voltmeter, circa 1903 -
- circa 1903
- Collections - Artifact
Westinghouse Voltmeter, circa 1903
- Hallmark "LOONEY TUNES Back in Action: Bugs Bunny and Daffy Duck" Christmas Ornament, 2003 - Already known for greeting cards, Hallmark introduced a line of Christmas ornaments in 1973. The company's annual release of an increasing array of ornaments revolutionized Christmas decorating, appealing to customers' interest in marking memories and milestones as well as expressing one's personality and unique tastes.
- 2003
- Collections - Artifact
Hallmark "LOONEY TUNES Back in Action: Bugs Bunny and Daffy Duck" Christmas Ornament, 2003
Already known for greeting cards, Hallmark introduced a line of Christmas ornaments in 1973. The company's annual release of an increasing array of ornaments revolutionized Christmas decorating, appealing to customers' interest in marking memories and milestones as well as expressing one's personality and unique tastes.
- Mann's Chinese Theater, Hollywood, California, 1977 -
- 1977
- Collections - Artifact
Mann's Chinese Theater, Hollywood, California, 1977
- Westinghouse Inductor Type Synchroscope, 1905-1915 -
- 1905-1915
- Collections - Artifact
Westinghouse Inductor Type Synchroscope, 1905-1915
- Westinghouse Type TM Voltmeter, 1911-1925 -
- 1911-1925
- Collections - Artifact
Westinghouse Type TM Voltmeter, 1911-1925