The Bell System technical journal . .^^^^^ kwvvvC-. ( k ^ k t k k-rt Ik k k k k k k I.WVrr-.W l, l, l, l l, l, l, l

Download this stock image: . The Bell System technical journal . .^^^^^ kwvvvC-. ( k ^ k t k k-rt Ik k k k k k k I.WVrr-.W l|l|l|l l|l|l|l| C, C,-INNER AND OUTER CATHODES S S II I. II ELECTRON STREAMS T -HELIX TERMINATION H -INPUT HELIX G -OUTPUT GAP Fig. 2—Representation of double-stream amplifier with gap output. have mean radii of 0.215 and 0.170 respectively and a wall thickness of0.030 in each case. The short sections of helix which are used for input and output are woundof 0.013 diameter molybdenum wire, 44 t.p.i., and mean diameter of 0.500.The axial velocity of signal propagation along this helix is equal to - 2CRTRY0 from Alamy's library of millions of high resolution stock photos, illustrations and vectors.

Cathodes hi-res stock photography and images - Page 3 - Alamy

Netbell-K-C All-in-One Break Bell with LED Clock

Netbell-K-M2 Network All-In-One Break Bell System

Pubs & Docs - TCI Library

K-1900-712L-IP - Viking Electronics, Inc.

BELL SYSTEM TECHNICAL JOURNAL: periodical beginning in 1922

Technical representation hi-res stock photography and images

Netbell-K-C All-in-One Break Bell with LED Clock

Bell Labs Technical Journal - Nokia Bell Labs

The Bell System technical journal . .^^^^^ kwvvvC-. ( k ^ k t k k