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" I shall be crushed so that no pieces of coal and impurities will be greater in any dimension, as judged by eye, than specified for the sample before division into two approximately equal parts. The method of reducing by hand the quantity of coal in a... "
A Coal Manual for Salesmen, Buyers and Users - Σελίδα 40
των Francis Rawle Wadleigh - 1921 - 184 σελίδες
Πλήρης προβολή - Σχετικά με αυτό το βιβλίο

A.S.T.M. Standards

1916 - 806 σελίδες
...crushed so that no pieces of coal and impurities will be greater in any dimension, as judged by eye, than specified for the sample before division into two...coal and impurities be less than indicated in Table I. PLATE III 1916 ASTM STANDARDS. STANDARD METHOD FOR SAMPLING OF COAL. BY HAND rlflST STAQt IK fH£...

Bulletin

1916 - 1074 σελίδες
...1,000 or more 1 inch. 500 Jinch. 250 i inch. 125 Jinch. 60 i inch. 30 •j's inch, or 4-mesh screen. The method of reducing by hand the quantity of coal...a gross sample shall be carried out as prescribed below, even should the initial size of the coal and impurities be less than Table 1. Hand prepara-...

Finding and Stopping Waste in Modern Boiler Rooms: A Reference Manual to Aid ...

H. S. B. W. Cochrane Corporation, Philadelphia - 1918 - 286 σελίδες
...or more 1 inch. 500 y± inch. 250 Yi inch. 125 ^ inch. 60 V± inch. 30 -fa inch, or 4-mesh screen. The method of reducing by hand the quantity of coal in a gross sample shall be carried put as prescribed below, even should the initial size of the coal and impurities be less than Table...

A.S.T.M. Standards

1918 - 994 σελίδες
...crushed so that no pieces of coal and impurities will be greater in any dimension, as judged by eye, than specified for the sample before division into two...coal and impurities be less than indicated in Table I. Wright of Sample to be Divided, Ib. Largest Size of Coal and Impuritiea Allowable in Sample before...

Technical Gas and Fuel Analysis

Alfred Holmes White - 1920 - 348 σελίδες
...crushed so that no pieces of coal and impurities will be greater in any dimension, as judged by eye, than specified for the sample before division into two...coal and impurities be less than indicated in Table I. 6. The progressive reduction in the weight of the sample to the quantities indicated in Table I...

A.S.T.M. Standards

1921 - 942 σελίδες
...crushed so that no pieces of coal and impurities will be greater in any dimension, as judged by eye, than specified for the sample before division into two...sample shall be carried out as prescribed in Section 6, TABLE I. Wright of Sample to be Lament Size of Coil and ImpuritMe Allowable in Sample before Diruion....

Clay Products Cyclopedia

1922 - 264 σελίδες
...crushed so that no pieces of coal and impurities will be greater in any dimension, as judged by eye, than specified for the sample before division into two...coal and impurities be less than indicated in Table I. 6. The progressive reduction in the weight of the sample to the quantities indicated in Table I...

American Fuels ...

Raymond Foss Bacon, William Allen Hamor - 1922 - 648 σελίδες
...table should be crushed so that no pieces will be greater in any dimensions, as judged by the eye, than specified for the sample before division into two approximately equal parts. The gross sample should be reduced by a method similar to that given under coal. The sample should be crushed...

The Preparation of Reports, Engineering, Scientific, Administrative: A Text Book

Ray Palmer Baker - 1923 - 496 σελίδες
...so that no pieces of coal and impurities will be greater in any dimension, as adjudged by eye, than specified for the sample before division into two...coal and impurities be less than indicated in Table I. 6. The progressive reduction in the weight of the sample to the Hand quantities indicated in Table...

Finding and Stopping Waste in Modern Boiler Rooms: A Reference ..., Τόμος 2

Cochrane Corporation (Philadelphia) - 1928 - 816 σελίδες
...1,000 or more 1 inch 500 y4 inch 250 y2 inch 125 $i inch 60 Y4 inch 30..%6-in., to pass No. 4 sieve The method of reducing by hand the quantity of coal...a gross sample shall be carried out as prescribed below, even should the initial size of the coal and impurities be less than in Table 1. 6. Hand Preparation....




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