Fisher Park was one of the sites used for early demonstrations of film (or motion pictures).

At an earlier demonstration, a skeptical reporter tested this by pouring his drink all over the device.

The earliest demonstrations of complacency and kindness are nature's most winning pictures.

For this showing, the dollhouse scenes were colorized in an early public demonstration of the process.

In general, all necessary replacements have an early demonstration of improvement.

Glass rods rubbed with silk or fur were used in early demonstrations of electrical energy.

His parents apparently did not encourage their son's early demonstrations of artistic interest.

(as) an early demonstration of the transfer of information from a human being to a computer.

The organisers of the earlier demonstration were arrested and are still in prison.

These early demonstrations achieved positive results and helped spark political activism.