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The two periscopes differ in the way they erect the image. The left one uses an erecting prism whereas the right uses an erecting lens and a second image plane. a Objective lens b Field lens c Image erecting lens d Ocular lens e Lens of the observer's eye f Right-angled prism g Image-erecting prism
The Central Asian Shepherd Dog, also known as the Alabay, Alabai (Turkmen: Alabaý, Kazakh: Төбет) and Turkmen Wolf-Hound (Туркменский волкодав), [2] is a livestock guardian dog breed.
Dogs was released on VHS in 1988 under the alternate title Slaughter.On July 25, 2006, Dogs was released on DVD by Scorpion Releasing under its original title. The DVD also includes a newly filmed 19-minute documentary on the film, including interviews with director Burt Brinckerhoff and actors George Wyner and Eric Server.
Dogs in Mesoamerica of various sorts are known to have existed in prehispanic times as shown by archaeological and iconographical sources, ...
Porro prisms are most often used in pairs, forming a double Porro prism. A second prism rotated 90° with respect to the first, is placed such that light will traverse both prisms. The net effect of the prism system is a beam parallel to but displaced from its original direction, with the image rotated 180°.
An Amici roof prism, named for its inventor, the Italian astronomer Giovanni Battista Amici, is a type of reflecting prism used to deviate a beam of light by 90° while simultaneously inverting the image. It is commonly used in the eyepieces of telescopes as an image erecting system. It is sometimes called an Amici prism or right angle roof ...
The Pomeranian (also known as a Pom, Pommy or Pome) is a breed of dog of the Spitz type that is named for the Pomerania region in north-west Poland and north-east Germany in Central Europe. Classed as a toy dog breed because of its small size, the Pomeranian is descended from larger Spitz-type dogs, specifically the German Spitz.
A 2008 University of Pennsylvania study of 6,000 dog owners who were interviewed indicated that dogs of smaller breeds were more likely to be "genetically predisposed toward aggressive behaviour". Dachshunds were rated the most aggressive, with 20% having bitten strangers, as well as high rates of attacks on other dogs and their owners.
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