Sentence Examples


  • The word " periscope" was first applied to this instrument.
  • The modern practice is to take rapid observations rather than to keep the periscope above the water all the time.
  • Zeiss made a periscope 7 metres long, main tune 150 mm.
  • In an ingenious periscope designed by Messrs.
  • In the skysearching periscope the upper prism can be rotated by mechanism inside the periscope, so that aerial observations can be readily made before the submarine " breaks surface."