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  2. Grundig - Wikipedia

    en.wikipedia.org/wiki/Grundig

    Grundig started as a typical German company in 1945. Its early notability was due to Grundig radio.Max Grundig, a radio dealer, built a machine called "Heinzelmann", which was a radio that came without thermionic valves and as a do it yourself kit to circumvent post war rules.

  3. Majestic Radios - Wikipedia

    en.wikipedia.org/wiki/Majestic_Radios

    A line of eight Majestic radio models was offered, along with television sets. [43] In August, 1954, Ashbach announced that Wilcox-Gay's Majestic radio and television subsidiary would begin importing Grundig FM radios from Germany as well, including an AM-FM-shortwave table model, added to the firm's Majestic product line. The Grundig radios ...

  4. Grundig Business Systems - Wikipedia

    en.wikipedia.org/wiki/Grundig_Business_Systems

    For the first time speech information was digitalized and stored on the PC's hard drive. The DSS standard was developed and introduced by Grundig as a joint project of the International Voice Association, comprising Grundig, Olympus and Philips. In 2001 Grundig AG spun off GBS to create a new company. Since then the Grundig Business Systems ...

  5. Batteryless radio - Wikipedia

    en.wikipedia.org/wiki/Batteryless_radio

    A batteryless radio is a type of radio receiver that does not require the use of a battery to provide it with electrical power. Originally this referred to units which could be used directly by AC mains supply (mains radio); it can also refer to units which do not require a power source at all, except for the power that they receive from an ...

  6. Max Grundig - Wikipedia

    en.wikipedia.org/wiki/Max_Grundig

    In 1930, Grundig and a colleague opened a store selling radios under the name Fürth, Grundig & Wurzer (RVF), generating one million Reichsmark in sales by 1938. After World War II, business expanded with a successful range of consumer electronics. In 1972, the company became a corporation and was sold to Philips in 1984.

  7. Telephone magneto - Wikipedia

    en.wikipedia.org/wiki/Telephone_magneto

    Telephone magneto viewed from beneath shows the armature (inset, left) and the horseshoe field magnets, and the gears to drive the rotor. A telephone magneto is a hand-cranked electrical generator that uses permanent magnets to produce alternating current from a rotating armature.

  8. Crankcase ventilation system - Wikipedia

    en.wikipedia.org/wiki/Crankcase_ventilation_system

    Blow-by, as it is often called, is the result of combustion material from the combustion chamber "blowing" past the piston rings and into the crankcase. These blow-by gases, if not ventilated, inevitably condense and combine with the oil vapor present in the crankcase, forming oil sludge.

  9. SCR-694 - Wikipedia

    en.wikipedia.org/wiki/SCR-694

    The SCR-694 is a portable high frequency two way radio set that was used by the U.S. military during World War II.The SCR-694 provides transmission and reception of AM radiotelephony and MCW or CW radiotelegraphy within the frequency range of 3.800 to 6.500 MHz.