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  2. Disc cutting lathe - Wikipedia

    en.wikipedia.org/wiki/Disc_cutting_lathe

    Presto 8N Disc Cutting Lathe (1950) used by the Canadian Broadcasting Corporation to record radio programs. A disc cutting lathe is a device used to transfer an audio signal to the modulated spiral groove of a blank master disc for the production of phonograph records.

  3. File:Presto 8N Acetate engraver, 1950 (24639289438).jpg

    en.wikipedia.org/wiki/File:Presto_8N_Acetate...

    Presto 8N Acetate Engraver - 1950 The CBC recorded radio programs on 16-inch acetate transcription discs. Made of glass, metal or even paper with a thin layer of acetate fixed to the surface, these discs were used until 1966.

  4. Acetate disc - Wikipedia

    en.wikipedia.org/wiki/Acetate_disc

    Presto 8N Acetate disc engraver (1950) used by the Canadian Broadcasting Corporation to record radio programs. Before the introduction of magnetic tape for mastering, disc recording was done "live" (see direct to disc recording), although sometimes intermediate disc-to-disc editing procedures were involved. [2]

  5. Scully Recording Instruments - Wikipedia

    en.wikipedia.org/wiki/Scully_Recording_Instruments

    In 1919, John J. Scully founded Scully Recording Instruments in Bridgeport, Connecticut as a manufacturer of disc cutting lathes.The original Scully lathe was a mechanical, weight-driven device that utilized three weights (the largest being 100 pounds) attached to pulleys connected to a turntable which revolves under a stationary cutting head.

  6. Presto - Wikipedia

    en.wikipedia.org/wiki/Presto

    Presto! Recording Studios, in Lincoln, Nebraska; Presto Studios, a computer game development company; National Presto Industries, manufacturer of kitchen appliances; Great Taste Coffee Makers, a.k.a. Presto, a Philippine Basketball Association team; Presto AB, Swedish manufacturer and international reseller of protection against fire and accidents.

  7. Automatic lathe - Wikipedia

    en.wikipedia.org/wiki/Automatic_lathe

    Brown & Sharpe Single Spindle screw machine. Model #2 Square Base, four-slide machine. 1 1 ⁄ 2 cap or 1 3 ⁄ 4 Air Feed.. Screw machines, being the class of automatic lathes for small- to medium-sized parts, are used in the high-volume manufacture of a vast variety of turned components.

  8. Presto card - Wikipedia

    en.wikipedia.org/wiki/Presto_card

    Free: Free: Free: Free: Yes: No: A valid Presto card is required for youths and seniors in order to take advantage of the fare-free programs, those without a Presto card must pay their $4.00 fare by cash or contactless credit or debit card. Children aged 12 and under can ride free by tapping the child Presto card or by travelling with a fare ...

  9. Speeds and feeds - Wikipedia

    en.wikipedia.org/wiki/Speeds_and_feeds

    Cutting speed may be defined as the rate at the workpiece surface, irrespective of the machining operation used. A cutting speed for mild steel of 100 ft/min is the same whether it is the speed of the cutter passing over the workpiece, such as in a turning operation, or the speed of the cutter moving past a workpiece, such as in a milling operation.