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ements. Hard solder, a solder which fuses only at a red heat, as one composed of zinc and copper, or silver and copper, etc. -- Soft solder, a solder fusible at comparatively low temperatures; as, plumbers' solder, consisting of two parts lead and one part tin, is a soft solder.

ldering iron, Soldering tool, an instrument for soldering, consisting of a bit or bolt of copper having a pointed or wedge-shaped end, and furnished with a handle.

An old French copper coin, equivalent in value to, and now displaced by, the five-centime piece (sou.

nd useful timber. -- Spanish feretto, a rich reddish brown pigment obtained by calcining copper and sulphur together in closed crucibles. -- Spanish flag (Zoöl.), the California rockfish (Sebastichthys rubrivinctus). It is conspicuously colored with bands of red and white. -- Spanish fly (Zoöl.), a brilliant green b…

used for making the reflectors of telescopes and other instruments, usually consisting of copper and tin in various proportions, one of the best being that in which there are 126.4 parts of copper to 58.9 parts of tin, with sometimes a small proportion of arsenic, antimony, or zinc added to improve the whiteness.…

Any alloy of copper, zinc, tin, and iron, of which cannon are sometimes made.

A vessel, boiler, or copper used in the distillation of liquids; specifically, one used for the distillation of alcoholic liquors; a retort. The name is sometimes applied to the whole apparatus used in in vaporization and condensation.

A steel-gray mineral of metallic luster. It is a sulphide of silver and copper.

An anglo-Saxon copper coin of the lowest value, being worth half a farthing. S. M. Leake.

ray mineral, closely related to tetrahedrite. It is essentially a sulphide of arsenic and copper.

A sulphide of antimony and copper, with small quantities of other metals. It is a very common ore of copper, and some varieties yield a considerable presentage of silver. Called also gray copper ore, fahlore, and panabase.

blocks, and partially refined, but containing small quantities of various impurities, as copper, lead, iron, arsenic, etc.; solid tin as distinguished from tin plate; -- called also bar tin. -- Butter of tin. (Old Chem.) See Fuming liquor of Libavius, under Fuming. -- Grain tin. (Metal.) See under Grain. -- Salt of…

substantial houses of cedar adorned with totem poles, and were expert stone carvers and copper workers. Slavery, the potlatch, and the use of immense labrets were characteristic. Many now work in the salmon industry.

An alloy of copper and zinc, resembling brass, and containing about 84 per cent of copper; -- called also German, or Dutch, brass. It is very malleable and ductile, and when beaten into thin leaves is sometimes called Dutch metal. The addition of arsenic makes white tombac. [Written also tombak, and tambac.]…

n tabular crystals having a micaceous structure. It is a hydrous phosphate of uranium and copper. Called also copper uranite, and chalcolite.

A small bar of gold and silver, either pure, or alloyed in some known proportion with copper, for trying the purity of articles of gold or silver by comparison of the streaks made by the article and the bar on a touchstone.

The exact state or quality of texture and consistency of well reduced and refined copper.

A Roman copper coin, equal to one third of the as. See 3d As, 2.

An alloy of silver, copper, and lead made at Tula in Russia. [Written also toola metal.]

athers of several species of turacou; whence the name. It contains nearly six per cent of copper.