«DICHROSCOPE»に関連する英語の本
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dichroscopeの使いかたを見つけましょう。
dichroscopeに関する本と英語文献で使われた文脈を提供するための簡単な抜粋文。
dichroscope. With the exception of those stones which exhibit strong dichroism (
e.g. andalusite, iolite, ruby, blue sapphire, sphene, tourmaline and zoisite) it may
not be easy to detect the presence of dichroic or trichroic colours with the ...
2
Lectures on select subjects in mechanics, hydrostatics, ...
Description of the Dichroscope. The name Dichroscope may be appropriately
given to those instruments which exhibit the complementary colours of polarised
light, from two, colour, and mca T2#, to see. The dichroscope, in its original state,
...
James Ferguson, Sir David Brewster,
1823
or glass or a doublet, all of which are singly refracting and hence can show no
dichroism), hold the stone before the[20] hole in the dichroscope and note
whether or not it produces twin colors. If there seems to be no difference of shade
turn the ...
4
The Book Of Proverbs (Children's Great Bible Texts)
Sometimes only experts are able to tell the difference. If the expert is in doubt he
takes an instrument called a dichroscope and examines the stone through it. The
dichroscope makes him see double. It gives him two images of the same stone.
5
A Text-Book of Precious Stones for Jewelers and the ...
The Dichroscope. Now, thanksto the scientific workers, there has beendeviseda
relatively simple and comparatively inexpensive instrument called the
dichroscope, which enables oneto tell almostat a glance whether astone is oris
not dichroic.
The instrument of observation for pleochroism is the dichroscope. The
dichroscope is the instrument of choice for observing pleochroism. Two versions
are common today: the hand-held spectroscope (see the illustration below) and
the ...
Dichroscope. One gemological instrument that is portable, easy to use, and
informative is the dichroscope (figure 13). If optic character is not readily apparent
, the dichroscope should always be the second instrument used in the field.
8
Jewelry & gems, the buying guide: how to buy diamonds, ...
10X Triplet Loupe • Chelsea Filter • Calcite Dichroscope Pocket Instrument Set:
Deluxe: With Bausch & Lomb 1 OX Loupe • EZVIEW Dichroscope • Chelsea Filter
Standard: With Standard 10X Loupe • OPL Dichroscope • Chelsea Filter only SI ...
Antoinette Leonard Matlins, Antonio C. Bonanno,
2001
9
An Introduction to Quality Assurance for the Retailers
Fiberlite—Warm light source that is used in conjunction with a dichroscope, hand
held spectroscope, refrectometer, and Chelsea filter. Also used in illuminating
gemstones to view inclusions. Leveridge Gauge—Measures stones and other ...
2 dO ' 50 50 Price of each Set, complete, $100 00 2 Sets of 12 Dichroitic Sections
, complete with Dichroscope, as follows: 1 Set 40 Sections, Crystal Plates,
complete, with Tourmaline Tongs, put up in a box with compartments. - 00 50 50
50 ...
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Real Or Fake? How to Spot An $83 Million Diamond from a Synthetic
Using gemologist's tools, including a polariscope, dichroscope, refractometer, and spectroscope, students performed a barrage of tests on the ... «Forbes, 6月 15»
Gem-A Receives Product Innovation Award for the JTV GemBasics …
The GemKit includes a loupe, Chelsea color filter, London dichroscope, Flexible flashlight, Gem Tweezers, Gemstone holder and a cleaning ... «PR Web, 2月 13»
Yemen toy market poses danger
... aecidium pilpulistic applecart dichroscope sideburned underwork salvationist unrifted inseverable cheesemongering overdignifying lipocaic ... «The Yemen Times, 9月 12»
Village Jewelry closing shop
While they've made the decision to close the store together, and Fennell is hanging up his calcite dichroscope, it still hasn't really sunken in that ... «Charlotte Observer, 2月 12»