Archived posting to the Leica Users Group, 2007/07/10

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Subject: [Leica] Re: Canal Bridge
From: Frank.Dernie at btinternet.com (Frank Dernie)
Date: Tue Jul 10 07:57:35 2007
References: <200707101030.l6AATIHM016063@server1.waverley.reid.org> <FD75B20B-A649-435E-B369-1B3634318C65@optonline.net>

And lets not forget the Romans had slaves so the work that could be  
done was less limited by manpower resources. The fabulous Roman  
aqueduct was also to supply water not a canal route. Anybody know how  
wide and deep the channel is and whether it still carries water?
Frank

On 10 Jul, 2007, at 15:04, Lawrence Zeitlin wrote:

>
> On Jul 10, 2007, at 6:30 AM, H. Ball Arche wrote:
>
>> 200 years? Not that big a deal.
>> Check out Pont du Gard:
>> http://tinyurl.com/3xqhnl
>
> Obviously the Romans were better engineers than the Brits.
>
> But given early 1800's technology, Thomas Telford was a pretty  
> remarkable builder. Many of his structures are still in regular use  
> today carrying modern traffic. A couple of blocks away from my  
> house in Wales, the Telford constructed Menai Bridge spans the  
> Menai Strait. The bridge was the world's first major suspension  
> bridge and offered a land route from the port where the Irish  
> ferries docked to England. The bridge was designed when horseback,  
> wagons, and shoe leather were the major forms of transportation. It  
> is still one of only two bridges crossing the Menai Strait and is  
> in regular use for cars, trucks and town busses. I commuted to work  
> over it every day. Most of Telford's old structures have outlasted  
> their contemporary rivals.
>
> Sad to say, that may be true of photographic equipment too. They  
> don't build them like they used to. Maybe if the Romans had  
> invented photography we might still be using their concrete  
> cameras. As it is, my favorite Leica is a mere 70 years old. My  
> first digital Leica failed after three years.
>
> Larry Z
>
>
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Replies: Reply from pdzwig at summaventures.com (Peter Dzwig) ([Leica] Re: Canal Bridge)
In reply to: Message from lrzeitlin at optonline.net (Lawrence Zeitlin) ([Leica] Re: Canal Bridge)