susceptance to

Synchronization.

to Swell

Susceptance. The imaginary compo­nent of admittance, equal to quo­tient of the negative of the reac­tance divide by the sum of the squares of the reactance and resis­tance; (Y = G + iB).
Suspension. (Chern.) A turbid or cloudy mixture of two or more substances. A suspension will gene­rally settle. on standing; the sus­pended matter forming a layer at the bottom of the container.
Swab. (Fdry.) A piece of waste or a sponge used to wet the sand around a pattern prior to its withdrawal from the sand.
Swag. (Furn.) A festoon design, char­ acteristic of the Adam style.
Swage. (Frog.) A form of die used by blacksmiths as an aid in forming forged work. It usually consists of two parts; the upper is a handled tool held by the smith, the lower has a square shank which fits into the hardy hole of the anvil:
Swage block. (Smithing) A large rec­tangular block of cast iron used by a blacksmith. It is pierced through with numerous holes, both round and square in section, for the re­ception of work which requires shouldering.
Swash letters. (Print.) Ornamental letters with prolonged strokes; es­pecially of the italic type.
Sweet. (Engin.) To coat with solder the surfaces to be jointed, then causing the surfaces to adhere by the application of heat, as opposed to the common method of making a joint by direct application of the
Sweating. (Metal.) When parts to be soldered are tinned, and then heated sufficiently to melt the solder with­out the use of a soldering, iron, the process is called "sweating".
Swedish detail ruling pen. A ruling pen with blades much wider than those of a regular ruling pen in ordertocarry sufficient ink for long, heavy lines.
Swedish iron. (Metal.) An iron of highest quality due to the freedom from phosphrous and sulphur of an Swedish ore.
Sweep. (Tel.) The motion of the elec­tron beam in a picture or camera tube.
Sweep back. (Aero.) The backward slant from root to tip (or inboard to . outboard end) of an airfoil, or of the leading edge or other reference line of an airfoil.
Sweeping. (Fdry.) A system of mak­ing large cores without the aid of a core box; used when only a few cores are needed.
Sweet gum. (Wood) Also known as "Red gum". (See Gumwood.)
Sweet oil. (Chern.) A low-grade, heavy-bodied olive oil, used me­dicinally, for culinary purposes, and as a lubricant.
Sweet or red gum. (Wood) A tree of large growth whose wood is soft but tough. It takes a very beautiful finish, but has a great tendency to warp.
Swell. (Fdry.) Bulged place on a cast­ing caused by too soft ramming of the mold.

swinger to Synchronization.
Swinger. Disc record with 'centre' hole positioned eccentrically in relation to groove spiral, causing cartridge to oscillate laterally as disc rotates.
Swing ofa lathe. (Mach.) The largest diameter of work which can be car­ried between the centers of a lathe.
Swing saw. (Woodwk.) A circular saw mounted on a hinged frame sus­pended from above. The work re­mains stationary while the saw is pulled toward it.
Switch. (Elec.) A device for opening and closing an electric circuit.
Switchboard. (Elec.)A vertical board or panel of slate or marble, on which are mounted the main knife switches, the circuit breakers, and the meters for a large electrical installation.
Switch box. (Elec.) An iron box or case to protect the switch mecha­nism and to prevent accidental contact with current-carrying parts.
Swivel. (Mech.) A coupling device that permits either half of a mecha­nism to rotate independently of the other.
Swivel vise. (Shop wk. ) A bench vise which may be rotated on its base to bring the work which it holds into better position.
S wrench. (Mach.) A wrench shaped like the letter S having either fixed or adjustable openings.
Sycamore. (Wood) Platanus. The buttonwood tree. A very large tree attaining height as great as 150 feet. Wood moderately hard, very diffi­cult to split; weight 38 pounds per cu. ft.; light to brownish color, often beautifully marked; takes fine fin­ish; used extensively in furniture manufacture, interior trim, and in the form of plywood in airplane construction. Symbol. Something that stands as a sign for another thinng or idea.
Symbolic logic. A modern develop­ment of formal logic employing a special- notation of symbolism capable of manipulation in accor­dance with precise rules.
Symmetrical. Having corresponding parts; harmonious in proportion; blanaced. Sync. In multi-track tape recorders, a technique where channels on the record head can be used for tape play back while other channels are Ijeing recorded. This permits per­formers to listen to previously recorded tracks and to record additional tracks in perfect synchronisation.
Synchromesh transmission. (Auto.) A mechanical device designed to make gear shifting easy and silent. It eliminates clashing of gears and permits shifting from second to high gear, or from high to second gear without regard to engine or car speed.
Synchronization. (Tel.) The process of keeping the moving beam of electrons in a picture tube in a re­ceiver in step with the beam in the

Synchronize to System "noise
studio camera tube so that both move in synchronism. Synchronize. To cause to agree in time; happen simultaneously.
Synchronizer. A device which "reads" a time code recorded on two or more tape machines and synchro­nises the units (via servo control of their motors) to move in the desired relationship to one another.
Also known as "time code syn­chronizers", such devices are avai­
lable to sync any combination of audio tape recorders, video tape recorders, or film recorders and
projectors.
Synchronous motor. (Elec.) One whose speed remains constant as long as the speed of the generator supplying it remains constant.
Syncline. (Geol.) A fold in rock that arches downward.
Synthesis. (Chern.) Formation of a compound from its elements or from single compounds.
Synthesizer electronic music. An audio signal processor that has built-in sound generators (oscil­lators) and additional circuitry such as filters. Synthesizers can produce familiar sounds and serve as conventional musical instru­ments, or they can create many unique sounds and effects of their own.
Synthetic. (Plast.) Chemical com­pound made from elements or sim­pler compounds, especially a sub­stance that duplicates natural ones.
Syntheic resin. (Plast.) A plastic com­
pound produced by chemical reac­tion with the use of simple compo­nents, in the hard state resembling natural resins, but differing widely
in their chemistry and in their behaviour with reagents. (SEEPLASTICS.)
Synthetic stereo. Processing circuitry that expands mono source mate­rial, creating a stereolike effect.
System ground. The main ground point for any large recording or sound reinfor-cement system. The use of a single point ground rather
than several ground points is an aid in the prevention .of "ground loops", multiple paths to ground that can lead to hum, buzz and RFI.
System noise. Equipment noise plus tape noise.