Rock Bolting Safety (1982)
The film discusses the history and importance of rock bolting in underground mining, highlighting its role in ensuring miner safety
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Rockets: Principles and Safety (1958)
Describes the physical principles upon which rockets work. Explains why rocket motors can work in the absence of air, and
Rocking Horse Cowboy (1976)
“Rocking Horse Cowboy” reflects on the life of a seasoned cowboy who reminisces about his experiences, challenges, and the changing
Rocks – Where They Come From (1963)
Follows Don as he sees different kinds of rocks at a granite quarry, sandstone cliff and museum. Demonstrates the effects
Rocks and Minerals – How We Identify Them (1971)
Shows how common rocks and minerals can be identified by color, texture, hardness, streak and other standard procedures. We digitized
Rocks That Form On The Earth’s Surface (1964)
The film explores the processes of weathering and sedimentation that shape the Earth’s surface. It explains how rocks break down
Rocks That Originate Underground (1966)
The film explores the origins of various rocks found in the Grand Canyon, revealing that many rocks are formed from
Roentgen Anatomy Of Normal Heart (1965)
The film presents a detailed fluorographic study of the normal heart using venous catheterization, showcasing physiological data such as pressure
Roentgen Anatomy of the Normal Bones and Joints (1970)
Explores the anatomy and functions of human joints, categorizing them into three main types: fibrous, cartilaginous, and synovial. It details
Roger Ramjet: Great Skateboard Race (1965)
In this episode of “Roger Ramjet,” the titular hero and his rival, Lance Crossfire, compete in a skateboard race to
Roger Williams: Founder Of Rhode Island (1956)
The film depicts the life of Roger Williams, a man who fled England to escape religious persecution and sought to
Roman Wall (1956)
Emperor Hadrian ruled the Roman Empire at its peak in AD 117, advocating for consolidation rather than further expansion. He