'Original diagrams of ferroelectrics, illustrating lectures (made into slides) and for some older papers'. 1 bundle of files, as follows:
1) 'High angle - Lef' [for paper with I Lefkowitz, early 1970s?];
2) 'LiNbO3 [lithium niobate] - original on graph paper and xeroxes of final' [mid-1960s?];
3) loose diagrams stamped 'Atomic Energy Research Establishment' on back, no date;
4) 'Thermal expansion - misc. originals' [1967?];
5) loose diagrams labelled 'Paris 1970 from 1968 data';
6) 'Originals - Perovskite and misc.' [1973?];
7) more loose diagrams - no label, no date;
8) 'Original diagrams - perovskites', containing i) Paris 1954 ii) 1972 NaNbO3 [sodium niobate] and ferrelectricity iii) NaNbO3 and perovskites in general, no date.