Sentence examples for was not perfected from inspiring English sources

The fountain pen was not perfected until about 1875.

Asphalt footpaths were first laid in Paris in 1810, but the method was not perfected until after 1835.

The process of plating sheets of iron and steel with tin, though not unknown earlier, was not perfected until the early 18th century.

Since the Champagne process was not perfected until the 19th century, long after her demise, the story seems wishful thinking at best.

A practical, accurate commercial system of colour cinematography was not perfected until Technicolor was introduced in Walt Disney's animated short Flowers and Trees (1932) and in the feature film Becky Sharp (1935).

Robinson argues that "[s]peculation that a single Kinetoscope reached the Fair seems to be conclusively dismissed by an 1894 leaflet issued for the launching of the invention in London," which states, "the Kinetoscope was not perfected in time for the great Fair".

It was not perfect.

Paterno was not perfect.

That campaign was not perfect.

The system was not perfect.

The planning was not perfect.