catoptric system वाक्य

उदाहरण वाक्य

1. The original optical apparatus was a catoptric system consisting of 21 oil wick lamps with parabolic reflectors.
2. This apparatus was later replaced by a catoptric system from the Isle of May in Scotland, first installed in Newfoundland in 1850 by Robert Oke at the Cape Pine lighthouse, later moved to the Harbour Grace Island lighthouse, and finally to Cape Bonavista.