EngineeringThe Physiology of Light.--ISome of its Ocular EffectsBy Charles Proteus Steinmetz on December 17, 1910AdvertisementABOUT THE AUTHOR(S)Recent Articles by Charles Proteus SteinmetzHave we Reached Limit of Power Transmission?The Control and Protection of Electric SystemsPhotographic Investigation of a 150,000 Volt Power Discharge