"An ounce of prevention is worth a pound of cure"; Week number 56-27

About

Newsreels in which Dutch subjects of a certain week are presented.; Eggs are contaminated with a virus and then incubated at the Bacteriology and Virology department of the Institute for Preventive Medicine in Leiden. Afterwards the damage the virus does to the tissue can be seen under a microscope. There are also measurements taken for noise pollution at work and there are hearing tests with an audiometer. At the department for Occupational Medicine the pulse, blood pressure, heart muscle and metabolism of a man cycling on a hometrainer is measured.

Human-made No record of this work says a model made it. What this means.

Archive

Wikimedia Commons, in Wikimedia Commons

Licence or status

CC BY-SA 3.0 nl, as the Wikimedia Commons states it.

Rights statement

Creative Commons Attribution-Share Alike 3.0 nl

Credit

Polygoon-Profilti (producent) / Nederlands Instituut voor Beeld en Geluid (beheerder)

Who can watch

The archive gives no rating. Invisible Network shows it to Teens profiles and older, judged from its collection and subjects. How films are placed