Card sorting key for Pinus. Series of punched cards. Cell structure diagrams on rear. Plant characteristics on face. Complete set with instruction booklet boxed in a red case.
These are a collection of approximately 7,000 glass plate negatives of microscopic cross sections of wood and related images taken by H. E. Dadswell from the Wood Collection he curated at the CSIRO.
Herbert Eric Dadswell was born in Sydney in 1903, educated at Newington College and at Sydney University from which he graduated B.Sc in 1925, majoring in organic chemistry.
In 1926, Dadswell was employed by the Council for Scientific and…