• BS 2742:1969

BS 2742:1969

Notes on the use of the Ringelmann and miniature smoke charts

BSI Group , 12/31/1969

Publisher: BS

File Format: PDF

$80.00$160.02


Explains the purpose and method of use of these charts for the visual assessment of the darkness of smoke emitted from chimneys.Cross References:BS 2742CBS 2742MAddendum No. 1 to BS 2742:1969Replaces BS 2742:1958.

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