Surely a plain statement of facts followed by ocular demonstration ought to suffice.

But whatever might have been my wish, I was compelled to yield to the weight of ocular demonstration.

The only drawback is that we have conclusively proved by ocular demonstration that there are no water channels down the rocks.

He would have thought it beneath his dignity to five them ocular demonstration that the diligence now only held three miserable aristos.

There is nothing like ocular demonstration.

And glaring ocular demonstration did not shake his faith in the methods of his ancestors.

But of course what I require is ocular demonstration.

I want to remove that impression, and there's nothing like an ocular demonstration.

If you sit on the edge you will have ocular demonstration of this by soon getting your eyes full.

The delivery of ocular demonstration is the use of words to produce mental images in the audience.