WebMost commonly, port holes are placed either on the bottom left or bottom right of the drumhead. Why? A bass drum hole on the lower half of the head gives more options for placing a microphone. Engineers can use a small … WebSep 10, 2024 · The meaning "porthole, an opening in the side of a ship" is attested from mid-14c.; in old warships, an embrasure in the side of the ship through which cannons are …
Porthole, port light, sidescuttle - Wartsila.com
WebA bass reflex system (also known as a ported, vented box or reflex port) is a type of loudspeaker enclosure that uses a port (hole) or vent cut into the cabinet and a section of tubing or pipe affixed to the port. WebAnswer (1 of 5): The word porthole is in fact unrelated to the use of the word ‘port’ for the left hand side of a ship. It originally derived from the need to mount heavier cannon on naval vessels which had to be placed lower than the traditional location on the fore and stern castles for stabil... 午後から お出かけ 関西 大人
Porthole - definition of porthole by The Free Dictionary
WebJan 8, 2024 · A porthole is a circular window placed along a ship's hull to allow light and fresh air to enter the interior lower decks. An iconic feature in ship design, portholes have … WebDec 5, 2010 · An opening in the topsides or deck structures that allow light in, and which may be opened for fresh air. Portholes are usually small, with a sturdy hinged glass cover called a portlight, that can be dogged shut against a watertight gasket. (From the French "porte" meaning "door.") Portlight. The heavy glass cover for a porthole that can be ... Webporthole: 1 n a window in a ship or airplane Type of: window a framework of wood or metal that contains a glass windowpane and is built into a wall or roof to admit light or air n an … bad town キツネマフラー