Note: This tag should not be used for sound recordings.PD-1923Public domain in the United States//commons.wikimedia.org/wiki/File:JOSA-Vol_06-06.djvu...
English Publication date 1 August 1922 Place of publication Rochester Place of creation United States of America Source File:JOSA-Vol 06-06.djvu...
English Publication date 1 August 1922 Place of publication Rochester Place of creation United States of America Source File:JOSA-Vol 06-06.djvu...
English Publication date 1 August 1922 Place of publication Rochester Place of creation United States of America Source File:JOSA-Vol 06-06.djvu...
English Publication date 1 August 1922 Place of publication Rochester Place of creation United States of America Source File:JOSA-Vol 06-06.djvu...
English Publication date 1 August 1922 Place of publication Rochester Place of creation United States of America Source File:JOSA-Vol 06-06.djvu...
English Publication date 1 August 1922 Place of publication Rochester Place of creation United States of America Source File:JOSA-Vol 06-06.djvu...
English Publication date 1 August 1922 Place of publication Rochester Place of creation United States of America Source File:JOSA-Vol 06-06.djvu...
English Publication date 1 August 1922 Place of publication Rochester Place of creation United States of America Source File:JOSA-Vol 06-06.djvu...
English Publication date 1 August 1922 Place of publication Rochester Place of creation United States of America Source File:JOSA-Vol 06-06.djvu...