Sentence examples for was perfected from inspiring English sources

Radar was perfected there.

That recipe was perfected over many years.

The design was perfected in 1955.

"Conventional boat-building was perfected over millennia.

The technique was perfected in the 18th century.

After 1950 the production of instant coffee was perfected.

The technique was perfected in 190 BC in Asia Minor.

A new technique for making it was perfected in Venice in the 16th century.

This overglaze technique was perfected soon after the middle of the 17th century.

The steam-driven lithographic press was perfected by Hughes & Kimber of England in about 1865.

The production of whole cultured pearls was perfected by the Japanese.