Papers of the Board of Trade Standards Department relating to their work on weights and measures. This includes bound indenture certificates issued to local authorities under weights and measures legislation for the examination, testing, and calibration of local standards of weight, length, and volume, indexes of certificates and notices which identify makers and the results of tests on specific dates, with any noted errors and comments, international documents provided by overseas legislatures relating to metrology regimes including legislation, ordinances, legal papers, documents, and correspondence, and photographs showing miscellaneous equipment and people associated with the department.