It is usually to be met with in the form of turnings or raspings, the former being obtained in the maufacture of the "bitter cups" which are made of this wood.
The precipitation is effected by zinc in the form of bright turnings, or coated with lead, or by electrolysis.
The gold and other metals are precipitated on the under surfaces of the turnings and fall to the bottom of the compartment as a black slime.
The slime is cleaned out fortnightly or monthly, the zinc turnings being cleaned by rubbing and the supernatant liquor allowed to settle in the precipitating boxes or in separate vessels.
6 5, p. 3 2 5) obtained the metal by passing melted potash down a clay tube containing iron turnings or wire heated to whiteness, and Caradau (ibid.
Richard Head in his Life and Death of Mother Shipton (1684) says, "the body was of indifferent height, her head was long, with sharp fiery eyes, her nose of an incredible and unproportionate length, having many crooks and turnings, adorned with many strange pimples of divers colours, as red, blue and dirt, which like vapours of brimstone gave such a lustre to her affrighted spectators in the dead time of the night, that one of them confessed several times in my hearing that her nurse needed no other light to assist her in her duties" Allowing for the absurdity of this account, it certainly seems (if any reliance is to be placed on the so-called authorities) that the child was phenomenally plain and deformed.
The metal in the form of thin turnings is charged into hard glass or iron tubes heated to a full red in a combustion furnace.
For important work and especially for thin structures the number of turnings should be increased.
A purer product is obtained by heating aluminium turnings in a current of dry chlorine, when the chloride distils over.
When the heat of the original bed subsides, linings of fermenting dung must be added, and these must be kept active by occasional turnings and the addition of fresh material as often as required.
P. 543), as has also aluminium turnings moistened with potassium cyanide and mercuric chloride, which decomposes water regularly at 70°, i gram giving 1.3 litres of gas (Mauricheau-Beaupre, Comptes rendus, 1908, 147, p. 310).
ONO, is a liquid which boils at 18° C.; the crude product obtained by distilling a mixture of alcohol, sulphuric and nitric acids and copper turnings is used in medicine under the name of "sweet spirits of nitre."
Obtaining also a copy of the work as it had been printed before Hobbes had any doubt of the validity of his solutions, Wallis was able to track his whole course front the time of Ward's provocation - his passage from exultation to doubt, from doubt to confessed impotence, yet still without abandoning the old assumption of confident strength; and all his turnings and windings were now laid bare in one of the most trenchant pieces of controversial writing ever penned.
It dissolves in most dilute acids with liberation of hydrogen; the reaction between sulphuric acid and iron turnings being used for the commercial manufacture of this gas.
For this equation merely states that m turnings of a line through successive equal angles, in one plane, give the same result as a single turning through m times the common angle.
For pipe-joints, a mixture of iron turnings, sulphur and sal ammoniac, moistened with water, is employed.