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  2. Vacuum tube battery - Wikipedia

    en.wikipedia.org/wiki/Vacuum_tube_battery

    The "B" battery is used to provide the plate voltage. It is sometimes colloquially referred to as a "dry battery" (although there is no reason why a "wet" battery of suitable voltage could not be utilised for the purpose). The filament is primarily a heat source and therefore the "A" battery supplies significant current and rapidly discharges ...

  3. List of battery sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_battery_sizes

    A lithium primary battery, not interchangeable with zinc types. A rechargeable lithium-ion version is available in the same size and is interchangeable in some uses. According to consumer packaging, replaces (BR) 2 ⁄ 3 A. In Switzerland as of 2008, these batteries accounted for 16% of lithium camera battery sales. [75]

  4. Bell System Practices - Wikipedia

    en.wikipedia.org/wiki/Bell_System_Practices

    The content could be general descriptive information, information on wiring and connections, test procedures, or piece-part replacement and repair information. The BSP documents were produced in primarily two formats, 8 1/2"x11" pages for use in office environments, and in a small, portable format (4" x 6 7/8") for use by installers on the job ...

  5. Digital Data Storage - Wikipedia

    en.wikipedia.org/wiki/Digital_Data_Storage

    A DDS-2 cartridge. DDS Streamer inside DDS Cartridges A DAT 72 cartridge DAT 160 DAT-72 tape drive, front panel DDS-1 Stores up to 1.3 GB uncompressed (2.6 GB compressed) on a 60 m cartridge or 2 GB uncompressed (4 GB compressed) on a 90 m cartridge. The DDS-1 cartridge often does not have the -1 designation, as initially it was the only format ...

  6. Tape drive - Wikipedia

    en.wikipedia.org/wiki/Tape_drive

    DDS tape drive (bottom). Above, from left to right: DDS-4 tape (20 GB), 112m Data8 tape (2.5 GB), QIC DC-6250 tape (250 MB), and a 3.5" floppy disk (1.44 MB). A tape drive is a data storage device that reads and writes data on a magnetic tape. Magnetic-tape data storage is typically used for offline, archival data storage. Tape media generally ...

  7. Ohio updates election forms to support transgender candidates

    www.aol.com/ohio-updates-election-forms-support...

    The change followed the disqualification of a transgender woman who failed to list legal names used in the past five years on a petition.

  8. What is an annuity? Here’s what you need to know before ...

    www.aol.com/finance/what-is-an-annuity-200110157...

    Annuities are a tool that can create reliable retirement income that can last as long as you do. Each annuity is a contract between you and an insurance company: You provide the company money now ...

  9. Button cell - Wikipedia

    en.wikipedia.org/wiki/Button_cell

    Button, coin, or watch cells. A button cell, watch battery, or coin battery is a small battery made of a single electrochemical cell and shaped as a squat cylinder typically 5 to 25 mm (0.197 to 0.984 in) in diameter and 1 to 6 mm (0.039 to 0.236 in) high – resembling a button.