Sal soda to Saturated

Sal soda to Sandwich

Sal soda. (Chern.) Washing' soda. Used in glass and soap manufac­ture, bleaching and washing linen, dyeing, paper-making, etc.
Salt. (Chern.) A product formed by the neutralization of an acid by a base. A compound containing a metal and a nonmetallic element.
Salt of tartar. (Chell!.) Potassium car­bonat.-e ~C03.Hp. Saltpeter, or potassium nitrate. (Chern.) (KNO~) Chile saltpeter is mineral sodium nitrate. Saltpeter is used as a preserative, in the manufacture of gunpowder and matches, as a flux in smelting ores, ,. and to some extent in dyeing.
Samite. (Furn.) A silk fabric gene­rally interwoven with gold, as was used in medieval.times. Sand. Small grains of mineral, largely quartz, which is the result of dis­integration of rock.
Sandal-wood. (Furn.)A heavy cIose­grained wood, of fragrant odour, native of the East Indies.
Sandblasing. (Engin.) The driving of sand against an object or surface by air pressure. Used extensively for cleaning castings, removing scale and dirt from forgings pre­paratory to tooling, brazing, gal­vanizing, etc., also for renovating stonework buildings. Sand finish. Refers to sandpaper finish on wood surfaces and to the sand-blast method of reno-vating the exterior of stone buildings.
Sand hole. (Fdry.) A cavity formed in a casting by loose sand or by the facing which is washed into the mold during the pouring op­eration.
Sanding. (Wood Fin.) The finishing of a surface on or by a sanding machine, which consists essen­tially of a revolving disk faced with sandpaper or by a sanding belt carried on rollers.
Sand match. (Fdry.)A shallow frame of the same size as the flask with which it is to be used. It has a bottom board fastened on with screws, and sockets to receive the pins of the flask. The "match" is rammed up and the pattern set in to ~he parting line, being coped out where necessary. The drag is rammed up on the "match". The best use of a sand match is for making a number of castings from a one-piece pattern of irregular shape.
Sandpaper. (Shopwk.) Paper coated with sharp sand; used as an abra­sive, particularly fOf finishing sur­faces of woodwork. Also called "garnet paper."
Sandstone. (Bldg.) Is .composed of grains of fine sand .cemented to­gether by silica, oxide of iron, or carbonate oflime; used as a build­ing stQne. (Mech.) Grindstones are made of natural sandstone.
Sandwich. (Plast.) In laminating em­ploying layers of materials. The lamination itself is, in a sense, a sandwich. When used in sandwich panels; the outer faces are .lami­nated sheets' enclosing cores of various kinds, each designed to fulfill a purpose. If urethane foam

Sanitry to Saturated steam is the core, the use is probably sound for refrigeration insulation. The core may be honeycomb (SEE HONEYCOMB), or it may be wood in pieces arranged as decoration. The wood components may be pig­ mented. An unlimited variety of architectural panels for walIs, screens dividers, and partitions are a possibility.
Sanitary. Pertaining to, or tending to promote health. Sanitary engineer. One who super­vises the planning and construc­tion of water supply, sewage sys­tems, etc.
Sanitary sewer. (Plumb.) Under­ground pipe or tunnel for carrying off domestic sanitary wastes.
Sanitation. (£ngin.) The neutrali­zation or removal of conditions injurious to health. Sanitary engi­neering; purification of water sup­ply; disposal of sewage, etc.
Sans-serif. (Print.) Type, such as the modern Gothic, made without serifs.
Sap. (Wood) The juice of plants which is necessary to growth.
Sapphire. Any gem variety of corun­dum other than the ruby, esp one of the blue varieties.
Sap streaks. (Wood Fin.) Streaks which show through a finished wood surface due to sapwood. For a uriiform .finsih, they must be "toned out." Sapwood. The new wood next to the bark of a tree.
Sash. (Bldg.) A frame in which win­dow glass is set or retained.

Sash' bars. (Bldg.) The strips in a sash which separate the narrow panes of glass.
Sash chain. (Arch.) The chain used. to carry the weights in double hung window sash. Used especially on heavy sash.
Sash pulley. (Arch.) The small pulley set in a window frame, over which the sash cord or chain runs.
Sash weight. (Arch.) The counter­weight used to make easy the rais­ing and lowering of window sash.
Satellite television station. (Tel.) A station, all of whose live talent programming comes from a net­work. It may supplement this net­work program schedule by local newsreel films or remote pickups: Such a station may serve a com­ munity outside the service area of a master station. Satin-wood. One of the finest cabi­net woods; found principally in Ceylon. It is heavy in weight, light in colour, and close grained with silky streaks. Used for high-grade furniture and paneling. Saturate. Something that causes satu­ration.
Saturate. To cause a substance to unite with the greatest possible amount of another substance through solution, chemical com­bination or the like; to change to the utmost, as with magnetism.
Saturated. Charges thoroughly. Saturated steam. Water vapour at the temperature of the boiling point corresponding to a given pressure. . (£ngin.) Steam which is in con­