Pamphlets

The following recently issued pamphlets may be of interest to readers of “Electrical Engineering.” All inquiries should be addressed to the issuers. Mercury Lamps in Industry. (Y-729) This folder tells a story of mercury lamps as a production tool. It states the facts about using mercury lamps for industrial lighting in medium and high-bay industrial interiors where frequently they are used because of their high light output. The booklet also contains physical and electrical specifications of the AH-9 (3,000-watt) and AH-1 (4,000-watt) mercury lamps. Copies of the booklet may be obtained from the General Electric Lamp Department sales district offices.