What’s the difference between a rigid borescope, a fibrescope and a videoscope? A rigid borescope is a rigid optical instrument similar to a telescope and can only access areas that can be viewed in a ...
Seamless Wikipedia browsing. On steroids. Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface. Wikiwand ...