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  2. Rain gutter - Wikipedia

    en.wikipedia.org/wiki/Rain_gutter

    Lead guttering: slate and pitched valley gutter flow into parapet gutter, with downpipe and overflow Eaves gutter and downpipe Decorative lead hopper head dated 1662, Durham Castle A rain gutter , eavestrough, eaves-shoot or surface water collection channel is a component of a water discharge system for a building. [ 1 ]

  3. Thames Barrier - Wikipedia

    en.wikipedia.org/wiki/Thames_Barrier

    Flooding in London has been a problem since Roman times. [1] In 1954, the Waverley Committee, established to investigate the serious North Sea flood of 1953 which affected parts of the Thames Estuary and parts of London, recommended that "as an alternative to raising the banks, the possibility and cost of erecting a structure across the Thames which could be closed in a surge should be ...

  4. Box gutter - Wikipedia

    en.wikipedia.org/wiki/Box_gutter

    A box gutter, internal gutter, parallel gutter, or trough gutter is a rain gutter on a roof usually rectangular in shape; it may be lined with EPDM rubber, metal, asphalt, or roofing felt, and may be concealed behind a parapet or the eaves, or in a roof valley.

  5. Quonset hut - Wikipedia

    en.wikipedia.org/wiki/Quonset_hut

    The original design was a 16-by-36-foot (4.9 m × 11.0 m) structure framed with steel members with an 8-foot (2.4 m) radius. The most common design created a standard size of 20-by-48-foot (6.1 m × 14.6 m) with a 16-foot (4.9 m) radius [ dubious – discuss ] , allowing 960 square feet (89 m 2 ) of usable floor space with optional 4 feet (1.2 ...

  6. Drum kit - Wikipedia

    en.wikipedia.org/wiki/Drum_kit

    The drum kit was initially referred to as a "trap set", and from the late 1800s to the 1930s, drummers were referred to as "trap drummers". By the 1870s, drummers were using an overhang pedal. [ 4 ] Most drummers in the 1870s preferred to do double-drumming without any pedal to play multiple drums, rather than use an overhang pedal.