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Saltpetre – Siemens-Martin-Steel

Saltpetre

See NITRE.

Sand Odd-part

See MATCH-PART.

Satin-Spar

A white fibrous limestone, which exhibits, when polished, a lustre like satin. It is found in England and Scotland. See LIMESTONE.

Screw-plates

See RAPPING-PLATE.

Shell-gold

The thin beaten gold used by decorators. See GOLD.

Shell-moulding

See HOLLOW SHOT.

Short-run

A foundry appellation for a mould or casting which has been spoiled by being only partially filled with molten metal. See RUN-UP.

Shot

See HOLLOW SHOT; LEAD-SHOT; PROJECTILES.

Shot-metal

See LEAD-SHOT.

Shot-tower

See LEAD-SHOT.

Shrink-head

See RISER; FEEDING-HEAD.

Siemens-Martin-Steel

See OPEN-HEARTH STEEL; REGENERATIVE FURNACE.