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  2. Rinnai - Wikipedia

    en.wikipedia.org/wiki/Rinnai

    In 1971, Rinnai & Co. changed their name to Rinnai Corporation. Rinnai began with manufacturing and selling gas appliances [6] such as gas table top stoves, gas ovens and gas water heaters. From 1938 to 1946, the company paused their gas appliances production to manufacture aircraft parts for the army for war effort. [7]

  3. Tankless water heating - Wikipedia

    en.wikipedia.org/wiki/Tankless_water_heating

    Tankless gas electronic ignition water heaters. Gas water heaters have an exhaust vent or one to two exhaust pipes on the top, and still require electric power for electronics, sensing and ignition. A three-phase, 21 kW, 400-volt tankless water heater in Europe, with new European color coding for three-phase power.

  4. Unisys 2200 Series system architecture - Wikipedia

    en.wikipedia.org/wiki/Unisys_2200_Series_system...

    The 2200 Series uses a 36-bit segmented virtual address space. We’ll look later at the addressing architecture. The 2200 Series is a CISC architecture system. Not only are there a large number of instructions (current count is about 245) but many of them have addressing variants.

  5. OS 2200 - Wikipedia

    en.wikipedia.org/wiki/OS_2200

    The OS 2200 security system is designed to protect data from unauthorized access, modification, or exposure. It includes an implementation of the DoD Orange Book B1 level specification. [21] OS 2200 first obtained a successful B1 evaluation in September, 1989. That evaluation was maintained until 1994.

  6. Wang 2200 - Wikipedia

    en.wikipedia.org/wiki/Wang_2200

    A 1974 advertisement for the Wang 2200 Computer. The Wang 2200 was an all-in-one minicomputer released by Wang Laboratories in May 1973. [10] Unlike some other desktop computers, such as the HP 9830, it had a cathode-ray tube (CRT) in a cabinet that also included an integrated computer-controlled cassette tape storage unit and keyboard. [11]