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  2. Franke (company) - Wikipedia

    en.wikipedia.org/wiki/Franke_(company)

    Franke sold kitchen sinks. In 1950 the Washroom and Sanitary Equipment product group was established as part of Franke with products for communal washrooms and WCs. Production of components for propulsion systems began. Franke saw its first foreign investment in Germany and by 1955 had 500 employees. In the late 1950s, Franke's production doubled.

  3. Rolleiflex - Wikipedia

    en.wikipedia.org/wiki/Rolleiflex

    The company filed for insolvency in 2014 and was dissolved in April 2015, ending any further production. The factory production equipment and remaining stocks of parts were auctioned off in late April 2015. A smaller company was created again with former DHW Fototechnik employees, under the name DW Photo at the same location. [5]

  4. Rollei - Wikipedia

    en.wikipedia.org/wiki/Rollei

    Rollei was a German company that established a worldwide reputation with the Rolleiflex, a twin-lens reflex camera.. Rollei was founded in 1920 as the Werkstatt für Feinmechanik und Optik, Franke & Heidecke in order to make a twin-lens reflex camera.

  5. Switchgear - Wikipedia

    en.wikipedia.org/wiki/Switchgear

    High-voltage switchgear A section of a large switchgear panel. Tram switchgear This circuit breaker uses both SF 6 and air as insulation.. In an electric power system, a switchgear is composed of electrical disconnect switches, fuses or circuit breakers used to control, protect and isolate electrical equipment.

  6. Pressure switch - Wikipedia

    en.wikipedia.org/wiki/Pressure_switch

    A pressure switch is a form of switch that operates an electrical contact when a certain set fluid pressure has been reached on its input. The switch may be designed to make contact either on pressure rise or on pressure fall. Pressure switches are widely used in industry to automatically supervise and control systems that use pressurized fluids.

  7. Mercury switch - Wikipedia

    en.wikipedia.org/wiki/Mercury_switch

    A Single-Pole, Single-Throw (SPST) mercury switch on millimetre graph paper, device length approximately 1.5 cm Another mercury switch design. A mercury switch is an electrical switch that opens and closes a circuit when a small amount of the liquid metal mercury connects metal electrodes to close the circuit.

  8. Infinite switch - Wikipedia

    en.wikipedia.org/wiki/Infinite_switch

    A rotary hand control turns a shaft that is connected within the infinite switch to a cam and follower. At the off position both power line connections are interrupted. At all on positions the manual contacts connect one of the line terminals to the pilot lamp terminal and one of the terminals for the heating element being controlled.

  9. List of Grace and Frankie episodes - Wikipedia

    en.wikipedia.org/wiki/List_of_Grace_and_Frankie...

    Grace and Frankie is an American comedy television series that premiered on Netflix on May 8, 2015. [1] The series was created by Marta Kauffman and Howard J. Morris and stars Jane Fonda and Lily Tomlin as Grace and Frankie, two women whose lives change when their husbands announce that they are in love with each other and want to marry.