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BS 2742:ADDENDUM NO. 1:1972
M00000173
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BS 2742:ADDENDUM NO. 1:1972 Notes of the use of Ringelmann and miniature smoke charts. The calibration of instruments in Ringelmann number
standard by BSI Group, 06/27/1972
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Provides a relationship for the conversion of measurements of optical density of smoke to 'standard' Ringelmann numbers.Cross References:
BS 2742
All current amendments available at time of purchase are included with the purchase of this document.