Keywords: BuildingsonOldCampus 022.jpg The main room in this building was 65x132 feet with a clear height of 60 feet The entire room was lined with metal thus constituting a Faraday cage which prevented the escape of electrical surges These might otherwise have disrupted measurements in nearby laboratories X-ray studies and experiments with transformers at potentials of 1 000 000 volts could be made in the High Voltage Building National Institute of Standards and Technology 1940-10-10 National Institute of Standards and Technology The images in the Buildings on Old/NBS DC Campus Photographic Collection are in the public domain and are not subject to copyright in the United States However please pay special attention to the individual works to make sure there are no copyright restrictions indicated Individual works may require securing other permissions from the original copyright holder Use of the images from NIST Digital Collections is not restricted but a statement of attribution is required Please use the following attribution statement National Institute of Standards and Technology Digital Collections Gaithersburg MD 20899 PD-USGov National Bureau of Standards National Institute of Standards and Technology Buildings of the United States government in Washington D C |