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Magnesian Limestone – Moulds, Open-sand

Magnesian Limestone

See MAGNESIUM.

Meadow-ore

Conchoidal bog-iron ore. See BOG-IRON ORE.

Measurement of Castings

See WEIGHTS OF CASTINGS.

Meteoric Iron

Iron mixed with nickel, as found in meteoric stones or aerolites. See METEORIC STONES; IRON; NICKEL.

Milled Lead

Sheet lead made in the rolling-mill by passing the metal through the rolls. See SHEET LEAD.

Mill-furnace

A furnace employed to reheat the puddled bar after it has become too cold to pass through the rolls to a finish.

Mill-rolls

See ROLLS.

Mirrors

For methods pursued in producing glass mirrors, see MERCURY. For metal mirrors, see BRASS MIRRORS.

Mixing Alloys

See ALLOY.

Mock Gold

See GOLD ALLOY; ORMOLU.

Modellers' Wax

See WAX.

Moulds, Open-sand

See OPEN-SAND MOULDING.

Moulds, Pressure in.--See PRESSURE IN MOULDS.