Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow

Alarms, indicators or feed-disabling devices responsive to material breakage or exhaustion in mechanisms for manipulating page-width impression-transfer material, e.g. carbon paper Alarms, indicators or feed-disabling devices responsive to ink-ribbon breakage or exhaustion In rope- or cable-making machines, alarms or stop motions responsive to exhaustion or breakage of filamentary material fed from supply reels or bobbins