548 



THE BELL SYSTEM TECHNICAL JOURNAL, MAY 1953 



WRAPPED 

 TERMINAL ^ 



'0.050" 



■0.090 



Fig. 26 — Space occupied by wrapping tool between closely-spaced terminals. 



wire guiding means is sufficient to insure wrapping of the first turn. 

 The following turns need no further anchor as the first turn locks the 

 wire to the terminal. 



The trend toward making circuit components smaller is now marked 

 in all branches of communication engineering. With a tool tip such as 



Fig. 27 — Forty-four point terminal block, 132 connection capacity, only 48 

 connections of 26 gauge (0.0159*) wire shown. Occupies Ij^i" x %* x %6* or 3^ cu in 

 of space. 



