What's New

After Edison
1983 Memorex disk
1900 Poulsen
1895 Gramophone
1925 Grebe radio and
1924 WE 540 speaker
in Loudspeaker History
Philco 1950 TV from NMAH exhibits
Wireway portable combination magnetic wire recorder and phonograph, #336324 from NMAH Electrical
The oldest disc record
from NMAH
12/18/05 - article scanned "A Record Changer and Record of Complementary Design," by B. H. Carson, A. D. Burt, H. I. Reisking, published in the RCA Review, June 1949

7/6/05 - Magnecord newspaper articles; History of Magnetic Recording

1/10/04 - Obituary for Tom Stockham; Leon Scott and After Edison and iBiquity and Michael Robertson and MP3 added

7/6/03 - SIGSALY page added

2/17/03 - Picture and Sound Sources and Early Field Recordings and William Ferguson lecture added; microphones and radio-television and computer and links revised

10/30/02 - All Recording Technology web pages have been updated for the MacIntosh OS X server in the USD Department of History with the "http://history.sandiego.edu" domain name; server statistics andawards pages updated; added sound files Mary Had A Little Lamb and Columbian Anthem

10/21/02 - revised links and magnetic recording sources and motion picture sound links and added Sayville and Capitol Records and Grundig pictures and added press releases for Ampex collection and Apple iPodand Tivo and Sony Walkman.

7/20/02 - The Early Gramophone and Emile Berliner Scrapbook

6/30/02 - History of Magnetic Recording (Chapter 1) and Magnetic Recording Equipment (Chapter 6) from the 1949 book Magnetic Recording by Semi J. Begun

3/23/02 - Ryman Auditorium and Music Row and Dynamic Range added

2/15/02 - Films and Videos and CDs on Sound Recording History list added

2/6/02 - Instant replay added to Television history

12/1/01 - Golden Age added to Radio history

8/2/01 - pictures added to Edgar Villchur and Lansing Heritage link added to Loudspeaker History

8/1/01 - Golden Age of Radio added to Radio-Television History

3/13/01 - pictures and text added to Motion Picture Sound

1/27/01 - Thomas Stockham added to the Digital Revolution

1/26/01 - Loudspeaker History includes pages on Edgar Villchur and Peter Jensen. Thanks to Sonny Clutter for his permission to reproduce photos from his Radiola Guy site on the Radiola and Thorophone pages.

8/4/00 - Magnetic Recording History Pictures and Disk-Cutting & Recording Lathes

5/15/00 - All Recording Technology web pages were moved to the new Linux server in the USD Department of History, with the "http://history.acusd.edu" domain name.

2/24/00 - Presto tape recorder added to Tape Recorder ads and link to Presto History from Alan C. Graves

1/9/00 - additions to Sources include volume 4 of the Papers of Thomas A. Edison and books by Paul Israel, Ray Phillips, Paul Théberge, Peter Hugill, Martin Campbell-Kelly, George Shiers, Tim Brooks ; a list of online journals added to Links

1/5/00 - Links and Sources moved from Notes

1/3/2000 - IMAX and Fantasia/2000 added to Motion Picture Sound

12/15/99 - History of Radio and History of Television

10/11/99 - digital speed comparison chart added to the digital revolution page

10/8/99 - Motion Picture Sound part 1 for the years 1910-1929

9/17/99 - note from George Blau regarding electrical recording in 1925

8/25/99 - Recording Studios pictures

8/23/99 - Microphone History - parts1 and 2 and 3

8/15/99 - HiFi Components pictures

8/11/99 - compact disc pictures added to revised digital revolution

7/25/99 - revised Bell Labs and added Armistice Day 1921

7/23/99 - revised notes for many dates 1881-1931 and added pictures of tin-foil phonograph and the Eagle

7/19/99 - chronology for the digital revolution

7/17/99 - essay with pictures on Tainter and the Graphophone

7/16/99 - pictures of Orthophonic and Vitaphone on Electrical Recording

7/6/99 - photos from the Smithsonian National Museum of American History of early recording devices and electrical recording devices and exhibits

6/12/99 - Transistor Radio page revised

5/20/99 - comparison of 3 rival phonographs

4/1/99 - essay on the Precursors of recording devices before Edison

Return to Recording Technology History