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Title: Opeeation Am) Maihtenawce Of Automatic Chart Changers
Author: Bruce J, Caldwell
Source: 1972 Gulf Coast Measurement Short Course (Now called ASGMT)
Year Published: 1972
Abstract: Once upon a time there was only one type of chart changer, a living, breathing model whose mode of operation was something short of automatic. It follows that the man-powered chart changer did not always discharge his functions on schedule or to accord with contract-stipulated accounting time. His chart changing functions were tempered by rain and snow, freeway traffic density, sickness, priority work assignments and faulty time pieces. Yet, It is unlikely that a second generation of chart changers would have found a niche in the field of instrumentation due to these shortcomings save for economic justification. Where once semi-skilled labor was relatively inexpensive, wage and hour laws, competition for employees in an expanding economy, decreasing productivity and politically stimulated wage-leveling processes have led management to restrict manpower to areas where wages are commensurate with skills. Repetitive and menial tasks, found boring to many, are motivating factors that lead manufacturers to produce devices with human capability. Yet, their devices must be priced at levels to compete favorably with labor cost to acheive a renumerative market. The automatic chart changer Is a case in point.

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