 | 1916 - 1072 σελίδες
...amount shall be collected. The standard gross sample shall not be less than 1 ,000 pounds, except that for slack coal and small sizes of anthracite in which the impurities do not exist in abnormal quantities or in pieces larger than J inch, a gross sample of approximately... | |
 | 1916 - 806 σελίδες
...• ..• • . .1Ъ* »uaiUrd (KM «an , > t .•...: t. t î* in» t: .:» 1000 lb., except that for slack coal and small sizes of anthracite in which the impurities do not exist in abnormal quantities or in pieces larger than f in., a gross sample of approximately... | |
 | H. S. B. W. Cochrane Corporation, Philadelphia - 1918 - 286 σελίδες
...amount shall be collected. The standard gross sample shall not be less than 1,000 pounds, except that for slack coal and small sizes of anthracite in which the impurities do not exist in abnormal quantities or in pieces larger than % inch, a gross sample of approximately... | |
 | 1918 - 992 σελίδες
...required amount shall collected. The standard gross sample shall not be less tha 1000 Ib., except that for slack coal and small sizes of anthracite in which the impurities do not exist in abnormal quantities or in pieces larger than $ in., a gross sample of approximately... | |
 | Alfred Holmes White - 1920 - 348 σελίδες
...required amount shall be collected. The standard gross sample shall not be less than 1000 Ib. except that for slack coal and small sizes of anthracite in which the impurities do not exist in abnormal quantities or in pieces larger than y± in., a gross sample of approximately... | |
 | Francis Rawle Wadleigh - 1921 - 196 σελίδες
...required amount shall be collected. The standard gross sample shall not be less than 1000 Ib., except that for slack coal and small sizes of anthracite in which the impurities do not exist in abnormal quantities or in pieces larger than % in., a gross sample of approximately... | |
 | Francis Rawle Wadleigh - 1921 - 196 σελίδες
...required amount shall be collected. The standard gross sample shall not be less than 1000 Ib., except that for slack coal and small sizes of anthracite in which the impurities do not exist in abnormal quantities or in pieces larger than % in., a gross sample of approximately... | |
 | 1926 - 360 σελίδες
...amount shall be collected. The standard gross sample shall not be less than 1,000 Ib., except that for slack coal and small sizes of anthracite in which the impurities do not exist in abnormal quantities or in pieces larger than % in., a gross sample of approximately... | |
 | Ray Palmer Baker - 1923 - 496 σελίδες
...amount shall be collected. The standard gross sample shall not be less than 1,000 Ib., except that for slack coal and small sizes of anthracite, in which the impurities do not exist in abnormal quantities, or in pieces larger than J4 inch, a gross sample of approximately... | |
 | Augustus Herman Gill - 1925 - 210 σελίδες
...amount shall be collected. The standard gross sample shall not be less than 1,000 pounds, except that for slack coal and small sizes of anthracite in which the impurities do not exist in abnormal quantities or in pieces larger than | inch, a gross sample of approximately... | |
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... represented proportionately in the gross sample, and with such frequency that a gross sample of the required amount shall be collected. The standard gross sample shall not be less than... 
