TABLE A : SUBDIVISIONS OF -5 



'5377 Electric units. 



'5378 Applications. 



53781 Telegraph. 



53782 Telephone. 



53783 Electric light. 



53785 Electro-metallurgy. 



53788 Wireless. 



538 Magnetism. 



5381 Theories. 



'53^3 Electro-magnetism and Electro-dynamics. 



5385 Induction. 



5387 Terrestial magnetism. 



539 Molecular physics. 



5393 Elasticity. 



54 Chemistry. 



541 Physical Chemistry. 



54 1 1 1 Therrno-Chemistry. 



54112 Mechanical Chemistry. 



54113 Electro-Chemistry. 



54114 Colloid Chemistry. 



5412 Atomics. 



54121 Eadioactivity. 



5413 Affinity. 



5416 Stereo-Chemistry. 



5417 Allotropy. 



5418 Solubility. 



5419 Tables. 



542 Practical Chemistry. 



543 Analysis. 



544 Qualitative. 



5446 Spectrum Analysis [see also '53584]. 



545 Quantitative. 



5453 Electrolytic [see also '53733]. 



5455 Titrometric. 



546 Inorganic Chemistry. 



5461 Non-metals. 



5463 Metals. 



16 



