. The Bell System technical journal . Fig. 2,) Carrier suhasseinhly and channel band Fig. 30—Channel band filter-internal 718 THE BELL SYSTEM TECHNICAL JOURNAL, JULY 1952 nel unit, shown on Fig. 34. The same basic die-casting is employed, \vithminor rearrangement of the die, for the two t\vin channel units, thegroup transmitting unit, and the group oscillator. The part of the slidearrangement associated with a plug-in unit is shown at the top of thetwin channel unit. All plug-in units are held in by a common cover (Fig. 24) which en-closes the handles of the units. For
. The Bell System technical journal . Fig. 2,) Carrier suhasseinhly and channel band Fig. 30—Channel band filter-internal 718 THE BELL SYSTEM TECHNICAL JOURNAL, JULY 1952 nel unit, shown on Fig. 34. The same basic die-casting is employed, \vithminor rearrangement of the die, for the two t\vin channel units, thegroup transmitting unit, and the group oscillator. The part of the slidearrangement associated with a plug-in unit is shown at the top of thetwin channel unit. All plug-in units are held in by a common cover (Fig. 24) which en-closes the handles of the units. For additional support a rapid actionfasterner holds the tops of the channel and receiving group units. Repeaters may be either pole mounted or placed in a central group of two repeaters is shown on Fig. 35. This assembly employs aframework, shown on Fig. 36, which includes the same slide die-castingas the terminal. A central unit (also plug-in) accommodates the two
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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1
