pdf 40jul BLR P342 Sound Tests of Dials and Ringers Popular

By 483 downloads

Download (pdf, 467 KB)

40jul_BLR_p342_Sound_Tests_of_Dials_and_Ringers.pdf

40jul BLR P342 Sound Tests of Dials and Ringers

Bell Labs Record.  Contributed by Chuck Hensley. 

New User?

Read the articles under "Introduction" in the black menu bar above.

Recent Contributors

Thanks for new documents from Jim Hurtle, Ed Palazzo, Paul Fassbender, Bruce Patterson, Remco Enthoven, Jon Kolger, Paul Ivester, Len Hicken, Fred Haynes, Kurt Rudolph, Wade ("Kellogg KITT"), the Connections Museum, Rick Walsh, Jeff Lamb, Jeremy Walters, Alan David, Dennis Hock, and Tim Griffin.

Please send a file to add your name to this list!

Who's online

We have 1159 guests online