S. Tolansky to Prof. G.I. Finch, Imperial College, London, sending a sample of Australian mica, 1951-04-26 Date: 1951-04-26
To John Pollett (sic) from [unknown] White (Skeates and White Ltd., Auckland), 1948-07-01 Unit ID: 5/2 Date: 1948-07-01
To J.P. from C.W. Lewis, Lewis Cycle Works Ltd. Adelaide, 1950-02-03 Unit ID: P2/5/1 Date: 1950-02-03