«CUPELLER»に関連する英語の本
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1
Engineering and Mining Journal
The test of the English cupellation furnace should be so supported that the
cupeller can change readily the elevation of the test, and at the same time watch
the litharge channel. It is also important to raise or lower either side,
independently of ...
2
Transactions of the American Institute of Mining Engineers
An apparent loss in cupellation is an algebraic sum and in many cupellations the
gains exceed the losses, especially with large beads where the gains lie so
completely in the judgment of the cupeller. For several years I have been
engaged in ...
3
Congressional serial set
Constructing engineer Consulting engineer Copperplate map engraver Crop
technologist Cupeller, Mint and Assay Service Dairy inspector Deck officer Dental
interne Deputy forest supervisor Draftsman: Apprentice Architectural Architectural
...
United States. Government Printing Office,
1911
4
Mineral Resources of the United States
The cast-iron pot into which the litharge runs has lately in several places been
superseded by a square wooden box containing water which circulates
constantly through it. This has two advantages. It reduces the temperature for the
cupeller ...
The turn-bolts, working with the back screws, allow a change to be made in the
elevation of the sides. Ordinarily they are not often used. The front of the test can
be lowered by the cupeller in front sufficiently to allow the test to run clean of
silver ...
Metallurgical Society of AIME.,
1882
TEST SUPPORT FOR THE ENGLISH CVPELLATWX FURNACE. BY F. C. BLAKE
, MANSFIELD VALLEY, PA. The test of the English cupellation furnace should be
so supported that the cupeller can change readily the elevation of the test, and ...
... Coast and Geodetic Survey Miscellaneous Nautical Almanac Office Naval
Observatory Supervising Architect's office Constructing engineer Consulting
engineer Copperplate map engraver Crop technologist Cupeller, Mint and Assay
Service ...
The tools required by the cupeller are few: two rods (7 ft. long, of J^-in. iron), bent
to a hook; one chisel-pointed bar (7 ft. long, of %-in. iron); one saw (9 in. long, %
in. wide, 2 in. deep), attached to a handle (6 ft. long, of J^-in. iron), to cut down ...
Heinrich Oscar Hofman,
1918
Of silver, it can be run by an inexperienced man, while judgment and practice are
neces sary with a test where «ie litharge channel has to be regulated by the
cupeller. Thus by dividing the cupelling into the two operations of concentrating
and ...
10
Transactions of the American Institute of Mining, ...
An apparent loss in cupellation is an algebraic sum and in many cupellations the
gains exceed the losses, especially with large beads where the gains lie so
completely in the judgment of the cupeller. For several years I have been
engaged in ...