The Gauge Block Handbook by Ted Doiron and John Beers Dimensional Metrology Group Precision Engineering Division National Institute of Standards and Technology Preface The Dimensional Metrology Group, and its predecessors at the National Institute of Standards and Technology (formerly the National Bureau of Standards) have been involved in documenting the science of gauge block calibration almost continuously since the seminal work of Peters and Boyd in 1926 [1]. Unfortunately, most of this documentation has been in the form of reports and other internal documents that are difficult for the interested metrologist outside the Institute to obtain. On the occasion of.
