A detailed scientific explanation of the structure of the human eye. Descriptions of how light waves are refracted by the lens of the eye and focused on the retina. Visuals of lens position and changes in curvature, monocular and binocular, the retina, and more.
State_Fair , San Diego County Fair, Los Angeles County Fair, animal exhibits.girls fife and drum corps, rides, the midway, and sideshows, roller coaster, carousel, horse race, freak show sign, ferris wheel,
Polio Vaccine Research: children with polio, focus on one boy who received the first vaccination. Takes place in Virginia. Images of family at home (Mom, Dad, son and dog). Shows children receiving vaccinations. Shows lab work performed on monkeys to create the vaccination. Other lab animals shown, polio, Infantile Paralysis, Poliomyelitis, Children, Diseases, Epidemic, Disabilities, sick, ill, Virginia lab animals,
Circus_Color_1940s_50s, set up, the train, animals getting off the train, tent set up,circus train, preshow preparations, the performers and the big show. elephants, sideshow, clowns, band, horses, balancing, 1966 circus ext convention center,
A NASA made animated film showing the operation of the lunar module for the Apollo Program moon landing. perfecting lunar rendezvous techniques. Normal, as well as abort, rendezvous situations are demonstrated