[PRCo] Re: Amazing discovery

[Herb Brannon]

The "guy" already knew that..................here is his comment under the
video.
COMMENT UNDER VIDEO:
*Before you comment, Yes I know...Romans invented Concrete. I am referring
to a Trolley Bridge constructed of concrete! *



On Sat, Apr 28, 2012 at 15:07, Fred Schneider <fwschneider at comcast.net>wrote:

> This introduces you to an amazing new discovery ...
>
> He discovered a trolley bridge made of this wondrous new material called
> concrete ... brand new in 1912.   Maybe someone should tell this guy that
> the Romans were using it 2000 years ago!
>
> http://www.youtube.com/watch?v=SPno08qlY6g&feature=fvwp&NR=1
>
>


-- 
Herb Brannon
In Cuyahoga Valley National Park