Our holdings include hundreds of glass and film negatives/transparencies that we've scanned ourselves; in addition, many other photos on this site were extracted from reference images (high-resolution tiffs) in the Library of Congress research archive. (To query the database click here.) They are adjusted, restored and reworked by your webmaster in accordance with his aesthetic sensibilities before being downsized and turned into the jpegs you see here. All of these images (including "derivative works") are protected by copyright laws of the United States and other jurisdictions and may not be sold, reproduced or otherwise used for commercial purposes without permission.
Vintage photos of:
September 13, 1938. "What next? Unborn baby's heartbeat broadcast from Washington hospital. As part of an educational program, the heartbeats of an unborn baby were broadcast today from Georgetown University Hospital. This was made possible by the use of a specially designed microphone placed on the chest of the expectant mother, Addie Gonyea, shown with (left to right) Dr. J.G. Burd, Dr. John Cavanagh, announcer Bill Coyle of the N.B.C. and Dr. Henry B. Gwynn." Harris & Ewing Collection glass negative. View full size.