Rate Measurement of Marine Chronometers, Gimbal Mounted Chronometer Watches, and Non Gimbal Navigating Watches under Controlled Climatic Conditions Part V - The Interval Record and Chronograph Methods of Rate Measurement
Abstract
Previous reports in this series have been concerned with the visual, photo,and photo-record methods of daily rate measurement and the results obtained using the latter method. In this final report two methods of greater accuracy (an error reduction over previous methods by more than 10 times), the intervalrecordand the chronograph methods, are described and discussed; the results obtained using the first of these two methods are compared with previous results.The sensitivities and over-all measuring errors for both of these methods are estimated and compared with values for the three other methods . While the three methods previously considered yielded only values of daily rate, both methods considered in this report permit use of the data to measure, in addition, changes in or constancy of rate for intervals of less than a day.
Document Details
- Document Type
- Technical Report
- Publication Date
- Oct 08, 1956
- Accession Number
- AD1223147
Entities
People
- H M Suski
Organizations
- United States Naval Research Laboratory