pdf AT&T Spec 4159 - Jan22 Maintenance AE Dials Substations Popular

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AT&T Spec 4159 - Jan22 Maintenance AE Dials Substations

16 pages. January 1922. Cleaned up scan of this classic specification, including parts inspection and dial speed adjustment. Contributed by Jeff Lamb. Bookmarked by Paul Fassbender.

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Thanks for new documents from Shane Young, David Brown, the Connections Museum, Paul Fassbender, Lou Maffei, Rick Thoensen. Sheila Flory, Tom Hesson, Jim Hurtle, Ed Palazzo, Bruce Patterson, Remco Enthoven, Jon Kolger, Paul Ivester, Len Hicken, Fred Haynes, Kurt Rudolph, Wade ("Kellogg KITT"), Rick Walsh, and Jeff Lamb.

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