mithsonlan Report. 1960 — Laughton 



PLATE 1 



III ,: r^ssw^lpi 



2P ^r "i "IT 



"5 ^ J S 



O CT3 t/^ 



^ p 2 



2 5 2 



S „" o; g 



tiD o > £ 



2 '^ 'C ,„ 



o 2 "^ •- 



•^ _D « ^ 



