Though it may be…



Though it may be difficult to imagine from a later perspective, a strain of critical opinion in the 1920s predicted that sound film would be a technical novelty that would soon fade from sight, just as had many previous attempts, dating well back before the First World War, to link images with recorded sound.

  1. a strain of …

strain (n.)

A strain of a germ, plant, or other organism is a particular type of it.

Every year new strains of influenza develop.

2. just as had many previous attempts

= just as many previous attempts had faded from sight