ISO-137 › Historical Revision Information
Wool -- Determination of fibre diameter -- Projection microscope method

ISO-137 - 1ST EDITION - SUPERSEDED
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Projection on a screen of the magnified images of the profiles of wool fibre pieces and measurement of their width by means of a graduated scale. The operating technique assures a random sampling of the fibres to be measured. Suitable for wool fibres in any form and also for other fibres of reasonably circular cross-section.

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59.060.10 (Natural fibres)

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Document Number

ISO 137:1975

Revision Level

1ST EDITION

Status

Superseded

Publication Date

Feb. 1, 1975

Committee Number

ISO TC 38/SC 23