He continued to push boundaries and in 1925 held the first public demonstration of the television.

In our case, we felt a public demonstration of our accountability was in order.

Passers-by, confronted with such a public demonstration of opulence, were asking how (although not everyone put it that politely).

A public demonstration in support of the sergeant was staged outside his police station.

General’s claim for the “first public demonstration” of the use of anesthetic ether.