. The Bell System technical journal . >. tn CQ _3> 136 BELL SYSTEM TECHNICAL JOURNAL. Fig. 21—New standard volume indicators installed at a network key station. Fig. 21 shows a group of new standard volume indicators installedin a network key station. Conclusion This paper has described a new volume indicator which is inexpensiveand whose characteristics are thought to represent a good practicalcompromise for a general purpose instrument of this kind. It has beencommented upon favorably by all who have had any experience with has been adopted as standard by the two largest broadcas


. The Bell System technical journal . >. tn CQ _3> 136 BELL SYSTEM TECHNICAL JOURNAL. Fig. 21—New standard volume indicators installed at a network key station. Fig. 21 shows a group of new standard volume indicators installedin a network key station. Conclusion This paper has described a new volume indicator which is inexpensiveand whose characteristics are thought to represent a good practicalcompromise for a general purpose instrument of this kind. It has beencommented upon favorably by all who have had any experience with has been adopted as standard by the two largest broadcasting com-panies and the Bell System, and it is hoped that other users of volume STANDARD VOLUME INDICATOR AND REFERENCE LEVEL 137 indicators will be sufificiently impressed by the merits of the newinstrument and by the desirability of standardization in this field, tojoin in its adoption. The new standards are being submitted to thestandards committees of the various national organizations foradoption. Many people contributed to the development which has been de-scribed. In particular


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Keywords: ., bookcentury1900, bookdecade1920, booksubjecttechnology, bookyear1