Tachnicolour to Tempering

Tachnicolour to teleran
sonnel in studio.
Tachnicolour. A system of making colour motion colour pictures by superimposing the three primary colours to produce a final coloured print.
Technique. The body of specialized proce~ures and methods used in any specific field, esp in an area of applied science.
Technological. Relating to science and industry.
Technology. That branch of know­ledge that deals with the industrial arts.
Tee. (Piping) A fitting for connecting pip~s of unequal sizes, or for chang­ing direction of pipe runs. A bullhead tee is one with outlet larger than opening on run; straight tee has all openings of same size.
Teeter. ,Seesaw, to move unsteadily. Tenon~ Polytetrafluoroethylene. Tele. transmissionover a distance. Telecasti(Tel.) A television program or a television broadcast.

Telecommunication. The science or technology of communication by telephone, telegraph etc.
Telegraph. (Elec.)A device for send­ing and receiving messages over a wire. It sends electrical signals which represent the letters of the alphabet.
Telegraphoscope. An early type of fascimile telegraph.
Telemeter. Device or attachments for determining distances by measur­ing the angle subtending a known distance; the complete measuring, transmitting, and receiving appara­ tus for indicating, recording, or intergrating at a distance, by elec­trical translating means, the value of a quantity.
Telephone. (Elec.)An instrument for the electrical transmission of the voice long distances.
Telephone drop. (Elec.) On a switch­board, one of the annunciator drops which, by falling attracts the atten­tion of the operator when a. sub­scriber wishes a connection.
Telephone exchange. (~!ec.) A 'Cen­tral station equipped with switch­.boards for making connections be­tween subscribers in its section and through other exhanges with any other line in the system.
Telephone hook switch. (Elec.) The switch controlled by a forked lever which Holds and operates by the weight ofthe receiver. Used to con­trol the operation of the ringing and talking circuits.
Telephonic. Carrying sound to a dis­tance, pertaining to a telphone sys­tem.
Telephony. Operation of a telephone or system of telephones.
Telephoto lens. (Tel.) Lens of very narrow angle used to provide large­ size images at extreme distances.
Teleprinter. A teletype writer.
Telepromepter. An offscreen device.
for unrolling a magnified script so that it is visible to the performers or speakers on a television pro­grame.
Teleran. A system of aircraft navi­gating using radar to provide a map of the sky above an airfield, which

Telescope to Tempering

together with the map of the airfield itself and other pertinent data, is transmitted by television to the aIr­plane approaching .the field.
Telescope. (Phys.) An optical instru­ment used in obtaining an enlarged, clearer view of some distant object..
Telescopic. Obtained by or of the nature of a telescope.
Telescopy. The use of the telescope.
Telethon. A television broadcast last­ing several hours, esp one solicting support for a charity.
Television. (Tel.) Literally, seeing at a distance. A system of communica­tions in which a picture scene is. transmitted by dividing it, by a scan- .! ning process, into a great number of i minute electrical signals. The elec­trical signals are received and changed back into light and shade to correspond with the original pic­ture as seen by the television cam­era.
Television camera tube. (TeL )An elec­tronic tube used to convert the light and shade ofa secene into electri­ . cal signals.
TeD tale. (Mech.) Usually a makeshift device attached to a machine or piece of work, for the purpose of indi­cating to the workmaQ' that. a certain operation is completed, or that the direction of motion should be rever­sed, etc. A home made indicator.
Temperature. (Phys.) Degree of heat possessed by a body.

Temperatuer scales. A nilmber of empirical scales of temperature have been used; the Ceisium scale is widely used for many purposes and in certain countrieS the Fahr­enheit sCale is still used. Both the these scales rely on the use of the fixed points, such ~ the freezing point and the boiling point of water, and the divisiion of the fundamen­tal interval between these two points into units of temperature, 100 degrees in the Celsius scale and 180 degrees in the Fahrenheit scale.
Tempering. (Forg. and Mech.) The treatment of steel to bring it to the degree of hardness necessary for the work to be done. In carbon steels, this is accomplished by heat­ing the piece to a cherry-red col­our, quenching it in oil or water temporarily, t\)en, after an inspec­tion of the colour, giving it a final