WebSeries of 1899 $2 Silver Certificate – Mini-Porthole. History: The United States printed two dollar silver certificates for a very short period of time. The series years are 1886, 1891, 1896, and 1899. As you can tell from that listing, the 1899 $2 silver certificate that we are detailing here is the last design type used for the denomination. Webplural portholes. Britannica Dictionary definition of PORTHOLE. [count] : a small round window in the side of a ship or aircraft.

Pothole - Wikipedia

A porthole, sometimes called bull's-eye window or bull's-eye, is a generally circular window used on the hull of ships to admit light and air. Though the term is of maritime origin, it is also used to describe round windows on armored vehicles, aircraft, automobiles (the Ford Thunderbird a notable example) … See more According to the Navy Department Library, the word "porthole" has nothing to do with its location on the port side of a ship, but originated during the reign of Henry VII of England (1485). The king insisted on mounting guns too … See more A porthole consists of at least two structural components and is, in its simplest form, similar to any other type of window in design … See more Portholes on submarines are generally made of acrylic plastic. In the case of deep diving submarines, the portholes can be several inches thick. … See more Portholes on spacecraft must be made from glass that can survive rapid temperature changes, without suffering the cracking that … See more • 1900 Hoboken Docks fire • Clear view screen • Deck prism See more Webporthole ( ˈpɔːtˌhəʊl) n 1. (Nautical Terms) a small aperture in the side of a vessel to admit light and air, usually fitted with a watertight glass or metal cover, or both. Sometimes … can my cctv cover the street

Porthole definition and meaning Collins English Dictionary

WebDetailed word origin of porthole. Dictionary entry Language Definition; port: English (eng) A type of very sweet fortified wine, mostly dark red, traditionally made in Portugal. (nautical) … WebPotholes form progressively from fatigue of the road surface which can lead to a precursor failure pattern known as crocodile (or alligator) cracking. [2] Eventually, chunks of pavement between the fatigue cracks gradually work loose, and may then be plucked or forced out of the surface by continued wheel loads to create a pothole. [3] WebA pothole is a depression in a road surface, usually asphalt pavement, where traffic has removed broken pieces of the pavement. It is usually the result of water in the underlying … fixing broken monitor pc