The bead is illuminated and shows a bright point of light.
The bead he crushed was the second crystal belonging to Ashley that she'd made a necklace out of.
Add a bead of sealant into the gap and let it dry completely.
- Human Clay Figure, with bead chain of mussel shells and of Venetian glass in the ears and on the neck; 1st period of Spanish conquest.
If silica be present, it gives the iron bead when heated with a little ferric oxide; if tin is present there is no change.
(a) The substance dissolves readily and in quantity, forming a bead which is clear when hot.
On the pendulum was fixed an illuminated silver bead which appeared as a bright point of light when seen for an instant.
It has a short, rounded head, obtuse muzzle, small bead-like eyes, and short rounded ears, nearly concealed by the fur.
Beads of sweat trickle down his face, despite the chill of the Welsh autumn evening.
On the seat opposite me sat my big rag doll, Nancy, in a new gingham dress and a beruffled sunbonnet, looking at me out of two bead eyes.
When I next saw her she was a formless heap of cotton, which I should not have recognized at all except for the two bead eyes which looked out at me reproachfully.
Gold and copper salts give a metallic bead without an incrustation.
Chromium and its salts may be detected by the fact that they give a deep green bead when heated with borax, or that on fusion with sodium carbonate and nitre, a yellow mass of an alkaline chromate is obtained, which, on solution in water and acidification with acetic acid, gives a bright yellow precipitate on the addition of soluble lead salts.
On one of them I noticed that the strings were of wire, and having had some experience in bead work, I said I thought they would break.
(13) The substance dissolves slowly and in small quantity, and forms a colourless bead which remains so on cooling.
Certain substances, such as the precious metals, are quite insoluble in the bead, but float about in it.
Titanium oxide when fused with microcosmic salt in the oxidizing flame yields a bead which is yellowish in the heat but colourless after cooling.
In the reducing flame the bead becomes violet, more readily on the addition of tin; in the presence of iron it becomes blood-red.
The kaleidophone, intended to present visibly the movements of a sonorous body, consisted of a vibrating wire or rod carrying a silvered bead reflecting a point of light, the motions of which, by persistence of the successive images on the retina, were thus represented in curves of light.
When now a small bead of a salt of sodium or lithium is placed in the flame the spectrum of the white hot platinum is traversed by the dark absorption of the D lines.
A favorite way of indicating the eyes was by drilling two holes and inserting a white shell bead n each.
There are no dated specimens till the Assyrian iron saws (48) of the 7th century B.C. Drills were of flint (49) for hard material and bead-making, of bronze for woodwork.
Beads were made by winding thin threads of glass on copper wires, and the greater contraction of the copper freed the bead when cold.
Manganese salts can be detected by the amethyst colour they impart to a borax-bead when heated in the Bunsen flame, and by the green mass formed when they are fused with a mixture of sodium carbonate and potassium nitrate.
Wampum, " white"; peag, " bead"), the shell-money of the North American Indians.
They may be recognized by the brownish violet colour they impart to a borax bead when heated in an oxidizing flame.
Bettws, a corrupt form of the English " bead-house," or possibly of the Latin " beatus " - Bettws-y-coed, Bettws Ifan.
This time she put on the glass bead first and the two wooden ones next.
The ancient glass-bead industry (conterie), which some years since suffered severely from over-production, has now regained its position through the union of the different factories, by which the output is controlled in such a way as to render trade profitable.
Heat the substance with a bead of microcosmic salt or borax on a platinum wire in the oxidizing flame.
If the bead is coloured we may have present: cobalt, blue to violet; copper, green, blue on cooling; in the reducing flame, red when cold; chromium, green, unaltered in the reducing flame; iron, brownish-red, light-yellow or colourless on cooling; in the reducing flame, red while hot, yellow on cooling, greenish when cold; nickel, reddish to brownish-red, yellow to reddish-yellow or colourless on cooling, unaltered in the reducing flame; bismuth, yellowish-brown, light-yellow or colourless on cooling; in the reducing flame, almost colourless, blackish-grey when cold; silver, light yellowish to opal, somewhat opaque when cold; whitish-grey in the reducing flame; manganese, amethyst red, colourless in the reducing flame.
But if the fork has, say, rather greater frequency, the hole in the wheel comes round at the end of the two seconds before the bead has quite come into position, and the two flashes appear gradually to move back in the opposite way to the pendulum.
If the bead of density dl be at the distance l l above the crystal, and that of d 2 at l 2 below, it is obvious that if the density of the column varies uniformly, then the density of the test crystal is (d1l2-+d211)/(ll+l2).
Analysis.-A borax bead dissolves uranium oxides in the reducing flame with a green, in the oxidizing flame with a yellow, colour.
If the hot bead is colourless and remains clear on cooling, we may suspect the presence of antimony, aluminium, zinc, cadmium, lead, calcium and magnesium.
Let him go and come freely, let him touch real things and combine his impressions for himself, instead of sitting indoors at a little round table, while a sweet-voiced teacher suggests that he build a stone wall with his wooden blocks, or make a rainbow out of strips of coloured paper, or plant straw trees in bead flower-pots.