Description: (3) Bell Laboratories Record January, February, and April 1973 Vol. 51 #1, 2 and 4 Monitor Catches T1 Errors,New Filters Shrink T1 Terminals Vol. 51 #1, BAS AND BARS Dig Out Data, Solid State Components Replace Generators in Ringing and Tone Power Plans. Pages 1 - 32 #2 This D1D Channel Bank: Modernizing the D-1 Workhorse. pages 33 to 64 #4 Conferences and Classes Via PCT, A Circuit that Stretches Coin Telephone Service, pages 97 - 128 Are amongst the inside articles in each magazine. Magazines have continuing numbered pages between volumes It may have some marks, scratches, minor worn edges or small water droplets marks or prior shipping labels. Please see photos for condition. Condition is consistent with use and age.As received. Note: we usually ship next business day if possible. Notes: All items are sent with delivery confirmation. Buyer pays for return shipping. 20% restocking fee on returns.
Price: 27.55 USD
Location: Bedminster, New Jersey
End Time: 2025-01-31T01:58:42.000Z
Shipping Cost: N/A USD
Product Images
Item Specifics
All returns accepted: ReturnsNotAccepted
Publication Name: Bell Laboratories Record
Signed: No
Publisher: Bell Telephone Laboratories Inc.
Publication Month: April, February, January
Publication Year: 1973
Unit Type: Unit
Language: English
Publication Frequency: Monthly
Issue Number: 1, 2, 4
Volume: 51
Distribution: Paid Circulation
Features: Illustrated
Genre: Telephone
Topic: Telephone, Switches, Magnetosphere
Subscription: No
Country/Region of Manufacture: United States
Unit Quantity: 3