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" The size of the opening was taken with a measure (micrometer attached) which had been compared with and adjusted to a standard United States yard. Time was read to one-fifth of a second. The level of the water (drawn from a large reservoir) was determined... "
Transactions - Stran 55
avtor: American Institute of Mining, Metallurgical, and Petroleum Engineers, American Institute of Mining Engineers - 1879
Celotni ogled - O knjigi

Hydraulic Mining in California

Augustus Jesse Bowie - 1878 - 108 strani
...square through a two-inch plank, with a pressure of six inches above the opening. The Smartsville inch is calculated from a discharge through a four-inch...obtained : 1 miner's inch will discharge in 1 second . . -C2624 cubic foet^ " " " 1 minute . 1.5744 " " " " 1 hour . . 94.4640 " " " " 24 hours . . 2267.1360...
Celotni ogled - O knjigi

Transactions

American Institute of Mining, Metallurgical, and Petroleum Engineers, American Institute of Mining Engineers - 1879 - 688 strani
...square through a two-inch plank, with a pressure of six inches above the opening. The Smartsville inch is calculated from a discharge through a four-inch...discharge in 1 second . . .2624 cubic feet. " " " 1 minute . 1.5744 " " " " 1 hour . . 94.4640 " " " " 24 hours . . 2267 1360 " Ratio of actual to theoretical...
Celotni ogled - O knjigi

Journal: Appendix. Reports

California. Legislature - 1883 - 497 strani
...above the center of the opening'. The discharge was over a three-inch plank, the last inch chamfered. The size of the opening was taken with a measure (micrometer...to a standard United States yard. Time was read to one fifth of a second. The following results were obtained : One miner's inch will discharge in one...
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Census Reports Tenth Census. June 1, 1880: Statistics and technology of the ...

United States. Census Office. 10th Census, 1880 - 1885 - 576 strani
...inches above the center of the opening. The discharge was over a 3-inch plank, the last inch chamfered. The size of the opening was taken with a measure (micrometer...micrometer adjustment. The following results were obtained: Cnbic fe«t. 0.02624 1. 5744 94. 4040 y,Ü(i7. 1360 Ono miller's inch will discharge in one second...
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A Practical Treatise on Hydraulic Mining in California

Augustus Jesse Bowie (Jr.) - 1885 - 358 strani
...the opening. The discharge was over a three-inch plank, the outer inch chamfered, as shown in Fig. 8. The size of the opening was taken with a measure (micrometer...from a large reservoir) was determined with Boyden's hook, micrometer adjustment The following results were obtained : One miner's inch will discharge in...
Celotni ogled - O knjigi

When the Wall Came Down: Reactions to German Unification

Harold James, Marla Stone - 1885 - 342 strani
...the opening. The discharge was over a three-inch plank, the outer inch chamfered, as shown in Fig. 8. The size of the opening was taken with a measure (micrometer...from a large reservoir) was determined with Boyden's hook, micrometer adjustment. The following results were obtained : One miner's inch will discharge...
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Van Nostrand's Engineering Magazine, Količina 32

1885 - 566 strani
...The discharge was over a three inch plank ; the outer inch chamfered. * Estimated by JJ Crawford, MB The size of the opening was taken with a measure (...from a large reservoir ) was determined with Boyden's hook, micrometer adjustment. The following results were obtained : One Miner's Inch will discharge...
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A Practical Treatise on Hydraulic Mining in California: With Description of ...

Augustus Jesse Bowie - 1885 - 364 strani
...the opening. The discharge was over a three-inch plank, the outer inch chamfered, as shown in Fig. 8. The size of the opening was taken with a measure (micrometer...(drawn from a large reservoir) was determined with Hoyden's hook, micrometer adjustment. The following results were obtained: FIG. 8. One miner's inch...
Celotni ogled - O knjigi

A Practical Treatise on Hydraulic Mining in California: With Description of ...

Augustus Jesse Bowie - 1885 - 360 strani
...the opening. The discharge was over a three-inch plank, the outer inch chamfered, as shown in Fig. 8. The size of the opening was taken with a measure (micrometer...one-fifth of a second ; the level of the water (drawn FIG. 8. from a large reservoir) was determined with Boyden's hook, micrometer adjustment. The following...
Celotni ogled - O knjigi

A Practical Treatise on Hydraulic Mining in California: With Description of ...

Augustus Jesse Bowie (Jr.) - 1898 - 360 strani
...the opening. The discharge was over a three-inch plank, the outer inch chamfered, as shown in Fig. 8. The size of the opening was taken with a measure (micrometer...one-fifth of a second ; the level of the water (drawn FIG. 8. from a large reservoir) was determined with Boyden's hook, micrometer adjustment The following...
Celotni ogled - O knjigi




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