OPEN a.
e; esp., a kind of reverberatory furnace in which the fuel is gas, used in manufacturing steel. -- Open-hearth process (Steel Manuf.), a process by which melted cast iron is converted into steel by the addition of wrought iron, or iron ore and manganese, and by exposure to heat in an open-hearth furnace; -- also calle…
PALETTE n.
A breastplate for a breast drill. Palette knife, a knife with a very flexible steel blade and no cutting edge, rounded at the end, used by painters to mix colors on the grinding slab or palette. -- To set the palette (Paint.), to lay upon it the required pigments in a certain order, according to the intended use of th…
PEN n.
a reed, or of the quill of a goose or other bird, but now also of other materials, as of steel, gold, etc. Also, originally, a stylus or other instrument for scratching or graving. Graven with an iron pen and lead in the rock. Job xix. 24.
PLANE n.
soled stock, usually of wood, from the under side or face of which projects slightly the steel cutting edge of a chisel, called the iron, which inclines backward, with an apperture in front for the escape of shavings; as, the jack plane; the smoothing plane; the molding plane, etc. Objective plane (Surv.), the horizont…