E
Earths
The solid matters of the earth, including rocks, etc., are composed principally of combustible elements, as aluminum, potassium, magnesium…
Ebullition
When water is heated bubbles of vapor form at the bottom, rise to the cooler water above, and are condensed. As the heat continues…
Eccentric-clamp
An arrangement for lifting finished stonework, which might be made useful in the foundry for lifting cores of some descriptions, and thus…
Elastic Gum
See INDIA-RUBBER. Elasticity, or spring, is a property of bodies to resume their original form, immediately the force by which they may…
Elastic Moulds
These moulds are for the purpose of obtaining casts, in plaster or wax, from medals and other objects having parts that are undercut. The…
Electric Crane
A substitution of the dynamo-electric machine for the steam or other methods usually employed for the purpose of working cranes. These…
Electric Furnace
The Siemens Electric Furnace is used for melting metals that are of a highly refractory nature, using a guarded crucible. It is compact…
Electrotype
A cast of metal upon a mould by galvanic action. A wax impression of the type or engraving is coated with black lead, washed with solution…
Elements
Modern science considers matter as existing in four forms--imponderable, gaseous, liquid, and solid; while by elements are understood the…
Elevator
A mechanical contrivance for lifting sand, coal, ores, grain, etc., from the floor, or from prepared boxes, to a higher elevation to be…
Emery-wheel
A disk of corundum, or emery composition, keyed to a mandrel and rotated by a pulley and belt; used principally for grinding and polishing…
Enamel
A shining, vitrified substance employed as an indestructible coating to various articles of taste and utility. The basis of all enamels is…
Equipment
General appliances, tools, and machinery necessary for conducting a foundry or other manufacturing establishment. Evaporation generally…
Exhaust Tumbling-barrels
The advantages of this useful adjunct to foundry operations is thus described: Not alone does this machine do away with the horrible…
Expanding Alloy
Lead 9, antimony 2, bismuth 1. This alloy is useful to fill holes in castings, as it does not contract and become loose like lead or cast…
Eye-bar
A common chisel or pointed bar with an eye forged at the opposite end--a useful implement in a foundry. Eye-bolt is an ordinary bolt with a…
Eye-piece
A circular disk of iron containing a central sheet of mica, usually placed opposite to each tuyere, on the wind-box of the cupola; its…
Earthenware – Explosion
See POTTERY-MOULDING; PORCELAIN. A moulder's tool for finishing angles. The two sides of this smoother, acting together, bring the edge up…