The method was in general use from c.1935 until c.1960 when it was gradually superseded by other methods.
From the early 1900s they were gradually superseded by electric and diesel locomotives.
It was not until the 20th century that they were gradually superseded by large reflecting telescopes for professional astronomy.
They returned with artefacts which gradually superseded his industrial collections.
After that time a second relic gradually superseded it.
A new type of vigorous polemic gradually superseded the older essay.
This gradually superseded the anchor and is used in virtually all modern pendulum clocks.
The digraph th gradually superseded these letters in Middle English.
The aim to bring a productive situation to completion gradually supersedes the whims and wishes of play.
The memorial mood is gradually superseded and overwhelmed by the uplifting sense of a photographer who really sees.