लॉग इन करा
1930s: Portraits of men. Hand holds chalkboard shooting slate.
CIRCA 1968 - Students receive elementary school and vocational education in Cleveland, but budgets only allow for the most promising students.
1900s: man and woman holding hands and talking under tree, painting of nobleman
HAWAII - 1967 - A Japanese-American physicist professor teaches a class on solar radiation at the University of Hawaii.
CIRCA 1969 - Men at Cape Kennedy's launch control celebrate after Apollo 11's successful launch.
1790s: Portraits of men. Castle.
1950s: Portrait of Jacques Charles. Charles' Law written on blackboard. Man points to elements of the law.

1096994973

अधिक फुटेज पहा

1096995009
व्हिडिओ वर्णन

स्टॉक व्हिडिओ ID: 1096995009

1950s: Formula for Boyle's Law written on chalkboard. Hand points at equations.

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  • 0:28

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