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![Figure 5 ship4458.jpg Figure 5](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_ship4458.jpg?itok=-rcDokiO)
Description
Figure 5. Compact luxmeter, used for study of light in air. Simplicity of design and use have joined with greater and greater precision of measurement in this mass-produced industry instrument. Although apparently an instrument used inmeteorology, it is shown here because of the relationship betweensolar radiation and photo synthesis. (Image credit: Oceanographic Museum of Monaco | Y. Berard)