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Prison physical examination. stock footage and images

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Manufacture of glass and preparation of lenses at Bausch and Lomb Company in New York.

Narrated feature about scientific advances made possible by the microscope. Light passes through a glass. Prism causes the light to reflect in other direction. Animated picture of magnifying lens. Workers making glassworks in the Bausch and Lomb Company in New York, mixing sand and glass and then stirring of the molten mass in a furnace. Prince Rupert test of a glass drop. The glass mixture is dropped on ground for test and hammered. Cooling of large pot containing molten glass. Large tongs used to remove clay pot from furnace, and then pot covered with insulating material. Pot broken away after glass is cooled . The big piece of glass is broken into small lenses. Workmen examining and choosing lenses for grinding. Grinding of lenses with polishing agents. Animated picture of lenses in a microscope and the change of the course of the rays of light to show the larger virtual image. Assembly of a microscope. Microscopic view of various germs including typhoid and diphtheria. An unborn chicken in an embryo, viewed through the microscope. Blood circulating in a frog's foot, through the microscope. Malignant blood cells. Crystallization of various chemical elements viewed in the microscope.

Date: 1937
Duration: 5 min 55 sec
Sound: Yes
Color: Monochrome
Clip Type: Edited
Language: English
Clip: 65675023090
Students at an Appalachian industrial or training school in western North Carolina

Young men and women at an Appalachian industrial school or training school gather around an evergreen tree with a teacher and examine it. One of the school buildings in the background. School students walking on a road near school playground facilities. Children playing basketball in the background. Children cross a wooden bridge and proceed up a hillside path to reach a school building atop a hill. Possibly a facility of the Appalachian Industrial School or the Penland School of Handicrafts which provided skills and training to Appalachian Mountain children.

Date: 1935
Duration: 1 min 19 sec
Sound: No
Color: Monochrome
Clip Type: Unedited
Language: None
Clip: 65675023116
Technicians strap chimpanzee onto training couch during NASA Project Mercury.

NASA Project Mercury technicians strap chimpanzee onto training couch. They hold his cheeks and strap his legs. Technicians place the training couch with chimpanzee in it, into horizontal position and turn it clockwise. Technician displays the wires behind the training couch. Doctor examines the chimpanzee.

Date: 1960, February
Duration: 5 min 20 sec
Sound: No
Color: Color
Clip Type: Unedited
Language: None
Clip: 65675023324
Project Mercury Astronaut candidate James W. Wood is tested on a Tilt Table Wright-Patterson AFB, Ohio

NASA Project Mercury astronaut candidate James W. Wood undergoes test on a Tilt Table at Wright-Patterson Air Force Base, Ohio. Astronaut lies on steeply inclined table for 25 minutes. This test is conducted to measure ability of the heart to compensate for body in an unusual position for an extended time. Doctor examines the patient. This test is preceded by the Harvard Step test in which a candidate must step rapidly up and down on a 20-inch step for 5 minutes.

Date: 1959, February
Duration: 3 min 47 sec
Sound: No
Color: Monochrome
Clip Type: Unedited
Language: None
Clip: 65675023392
Project Mercury astronaut candidate Hal Crandall undergoes Flack and Cold Pressor test at Wright-Patterson AFB, Ohio

NASA Project Mercury astronaut candidate Lt. Hal R. Crandall, USN undergoes Flack and Cold Pressor test at Wright-Patterson Air Force Base, Ohio. Subject blows into a tube for a given period of time to support a column of mercury. He also plunges his feet into a tub of ice water. Doctor examines pulse and blood pressure before and during the test.

Date: 1959, February
Duration: 1 min 46 sec
Sound: No
Color: Monochrome
Clip Type: Unedited
Language: None
Clip: 65675023397
Astronaut Hal Crandall undergoes flack and cold pressor test at Wright-Patterson Air Force Base, Ohio.

NASA Project Mercury astronaut, Hal Crandall undergoes a flack and cold pressor test at Wright-Patterson Air Force Base, Ohio. Subject blows into a tube for a given period of time to support a column of mercury. He also plunges his feet into a tub of ice water. Doctor examines pulse and blood pressure before and during the test.

Date: 1959, February
Duration: 1 min 42 sec
Sound: No
Color: Monochrome
Clip Type: Unedited
Language: None
Clip: 65675023402