Recomparison of the United States Prototype Meter A Study of the Silver Voltameter . . . On Secondary Spectra and the Conditions under which Some New Rectifying Effects in Conducting Gases P. G. Nutting On Fibers Resembling Quartz in Their Elastic Properties On the Temperature of the Arc . . C. W. Waidner and G. K. Burgess 109 ANNOUNCEMENT. The Bulletin of the Bureau of Standards, of which this is the initial number, will embody the results of its investigations, researches, and other work which may be of importance to the scientific, technical, and manufacturing interests of the country. It will be issued at intervals as frequently as the number of papers ready for publication may require. Schedules of fees, regulations, and other matter pertaining to the testing work of the Bureau will be issued in the form of circulars of information. WASHINGTON, D. C., October 15, 1904. S. W. STRATTON, Director. 3 |