Abstract
NUMEROUS investigators, in particular Emerton1, Wardrop2 and one of us3, have reported on the structure of the outer secondary wall, S 1 of coniferous fibres. In all cases, these investigations were carried out on fragments which had been freed from the fibres by some form of mechanical action. Although the evidence that these fragments originated from the S 1 wall is excellent, the S 1 wall has never been seen intact on the surface of a fibre.
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References
Emerton, H. W., and Goldsmith, V., Holzforschung, 10, 108 (1956).
Wardrop, A. B., Holzforschung, 11, 102 (1957).
Kallmes, O. J., Tappi, 43, No. 2 (Feb. 1960).
Emerton, H. W., British Paper and Board Makers' Assoc. Proc., Tech. Sect., 36, 595 (1958).
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KALLMES, O., NEWMAN, J. Structure of the Outer Secondary Wall on Unbleached Spruce Sulphite Fibres. Nature 186, 566 (1960). https://doi.org/10.1038/186566a0
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DOI: https://doi.org/10.1038/186566a0
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