1. The analysis of surface layers by electron diffraction
2. Comprehensive accounts may be found in: (a) Desch C.H.The Chemistry of SolidsCornell Univ. Press 1934 161 161 (b) H. G. Hopkins, Trans. Farad. Soc. xxxi. p. 1095 (1935). (c) G. I. Finch and A. G. Quarrell, ‘Nature,’ cxxxvii. p. 516 (1936).
3. Polish on metals