00340    a2200097   450000500170000008200170001711100400003424500550007426000750012930000380020420250623124411.0  aLM 542.3 INS  aA TREATISE ON MEASURING INSTRUMENTS  aA Treatise on Measuring Instruments: Part IV Text.  aBritain,bThe Institute of Weights and Measures Administration,c1968.  a116p.: ill.; picturecIndexb24cm