The Encyclopedia of Founding

Twelve hundred entries from the golden age of cast metal — how bells are founded, why brass is not bronze, what a cupola melts and a core withstands — by Simpson Bolland, the trade's great teacher.

HomeA › Acetate – Artificial Diamond

Acetate – Artificial Diamond

Acetate

A salt formed by the union of acetic acid with a salifiable base; as, the acetate of copper, the acetate of silver, etc.

Air-pump

A pneumatic machine for exhausting air from a tight vessel, and thereby produce what is called a vacuum. See VACUUM.

Air-furnace

A furnace with a natural draft. See WIND-FURNACE.

Albata

An English name for German silver. See GERMAN SILVER.

Apothecaries' Weight

In this arrangement the pound contains 12 ounces; each ounce 8 drachms; each drachm 3 scruples, and each scruple 20 grains.

Apprenticeship

See TECHNICAL EDUCATION FOR THE MOULDER.

Aqua-regia

Royal-water, so called from its power to dissolve gold, the king of metals. Its scientific name is nitro-muriatic acid. See GOLD.

Arbor

See CORE-ARBOR.

Argentan

Imitation silver. See WHITE ARGENTAN.

Arm

A spindle attachment for carrying the sweep-board which forms a mould. See SPINDLE.

Arsenious Acid

White arsenic. See ARSENIC; WHITE ARSENIC.

Artificial Diamond

See DIAMOND.

← ArsenicArtificial Gold →