 | 1913 - 1054 σελίδες
...and chestnut. 35. When the coal is being unloaded, a shovel or specially designed size °r >ncr°tool will be used for taking portions or increments of...size and weight of the largest pieces of coal and impuritit s. 36. The increments will be regularly and systematically collected, Collection so that... | |
 | 1916 - 1072 σελίδες
...tool or size of incremechanical means shall be used for taking equal portions or incre- mentsments. For slack or small sizes of anthracite, increments as small as 5 to 10 pounds may be taken, but for run-of-mine or lump coal the increments should be at least 10 to 30 pounds. 3. The increments... | |
 | United States. Army. Quartermaster Corps - 1917 - 1252 σελίδες
...equal portions or increments of sufficient size to include the largest pieces of coa land impurities. For slack or small sizes of anthracite increments as small as 5 to 10 pounds may be taken, but for run-of-mine or lumpcoal increments should be at least 10 to 30 pounds. The increments shall... | |
 | H. S. B. W. Cochrane Corporation, Philadelphia - 1918 - 286 σελίδες
...specially designed tool or mechanical means shall be used for taking equal portions or increments. For slack or small sizes of anthracite, increments as small as 5 to 10 pounds may be taken, but for run-of-mine or lump coal the increments should be at least 10 to 30 pounds. 3. Collection of... | |
 | 1918 - 992 σελίδες
...specially designed tool, or mechanical means shall be used for taking equal portions or increments. For slack or small sizes of anthracite, increments as small as 5 to 10 Ib. may be taken, but for run-of-mine or lump coal, increments should be at least 10 to 30 Ib. 3. The... | |
 | Alfred Holmes White - 1920 - 348 σελίδες
...specially designed tool, or mechanical means shall be used for taking equal portions or increments. For slack or small sizes of anthracite, increments as small as 5 to 10 Ib. may be taken but for run-of-mine or lump coal, increments should be at least 10 to 30 Ib. 3. The... | |
 | Francis Rawle Wadleigh - 1921 - 196 σελίδες
...specially designed tool, or mechanical means shall be used for taking equal portions of increments. For slack or small sizes of anthracite, increments as small as 5 to 10 Ib. may be taken, but for run-of-mine or lump coal, increments should be at least 10 to 30 Ib. Collection... | |
 | 1921 - 936 σελίδες
...specially designed tool, or mechanical means shall be used for taking equal portions or increments. For slack or small sizes of anthracite, increments as small as 5 to 10 Ib. may be taken, but for run-of-mine or lump coal, increments should be at least 10 to 30 Ib. 3. The... | |
 | Francis Rawle Wadleigh - 1921 - 196 σελίδες
...specially designed tool, or mechanical means shall be used for taking equal portions of increments. For slack or small sizes of anthracite, increments as small as 5 to 10 Ib. may be taken, but for run-of-mine or lump coal, increments should be at least 10 to 30 Ib. Collection... | |
 | 1922 - 264 σελίδες
...specially designed tool, or mechanical means shall be used for taking equal portions or increments. For slack or small sizes of anthracite, increments as small as 5 to 10 Ib. may be taken, but for run-of-mine or lump coal, increments should be at least 10 to 30 Ib. 3. The... | |
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... the crusher. Samples collected from the surface of coal in piles or bins, or in cars, ships, or barges are generally unreliable. 
