photography, exposure, photometer by Robert Wilhelm Bunsen (1811 - 1899), drawing, 19th century, 19th century, graphic, graphics, light meter, light meters, light, lights, lightness, measurement device, measurement, measurements, measurement devices, measuring instrument, meter, gauge, measuring device, measuring instruments, meters, measuring devices, measuring apparatus, measuring, photometer, photometers, historic, historical, Additional-Rights-Clearences-Not Available

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Size: 3771px × 1520px
Location:
Photo credit: © INTERFOTO / History / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: 19th, apparatus, bunsen, century, device, devices, drawing, exposure, gauge, graphic, graphics, historic, historical, instrument, instruments, light, lightness, lights, measurement, measurements, measuring, meter, meters, photometer, photometers, robert, wilhelm