00361    a2200097   450000500170000008200170001711100570003424500560009126000760014730000400022320250621095702.0  aLM 542.3 IST  aThe Institute of Weights and Measures Administration  aA Treatise on Measuring Instruments: Part 1 diagram  aBritain,bThe Institute of Weights and Measures Administration,c1968 .  a239p.: ill.; graph, picture.c24cm.