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To subscribe at no charge, submit a Newsletter Subscription Request . As the title implies, this publication provides application and product information on position measurement and control. While the focus is on the products and technologies of SpaceAge Control, Inc., many articles are relevant to the broad subject of position and displacement measure. As such, the material will be of interest to the general engineering and instrumentation community. If this issue was addressed to you, your subscription will continue unless you notify us otherwise.