Light Intensity of Lighting Fixtures is measured by this giant hemispherical integrator on exhibit at the Lighting Specialists Conference at the Lynn River Works of General Electric. Here, A. M. Bjontegaard (center), GE engineer explains device to A. W. Carry of Kansas City, Mo., and L. C. Loronzen of Chicago, Ill
Light Intensity of Lighting Fixtures is measured by this giant hemispherical integrator on exhibit at the Lighting Specialists Conference at the Lynn River Works of General Electric. Here, A. M. Bjontegaard (center), GE engineer explains device to A. W. Carry of Kansas City, Mo., and L. C. Loronzen of Chicago, Ill
Light Intensity of Lighting Fixtures is measured by this giant hemispherical integrator on exhibit at the Lighting Specialists Conference at the Lynn River Works of General Electric. Here, A. M. Bjontegaard (center), GE engineer explains device to A. W. Carry of Kansas City, Mo., and L. C. Loronzen of Chicago, Ill
Description:
[Information from item housing] Light Measuring Instruments