C- Thought you might like this - middle class late 19th C - the Corroding material is galvanized sheet iron, the non-corroding ornament is stamped zinc. Zince was used almost exclusively for ornament.

M


-----Original Message-----
From: MetHistory <[log in to unmask]>
To: BULLAMANKA-PINHEADS <[log in to unmask]>
Sent: Sat, Feb 22, 2014 5:45 pm
Subject: Re: [BP] What, exactly, is a cornice for?

 
 
In a message dated 2/22/2014 5:20:19 P.M. Eastern Standard Time, [log in to unmask] writes:
It is my opinion that buildings without cornices tend to suffer greater deterioration of the masonry and walling in the upper portions of the walls; particularly problems with dampness, and erosion of mortar.  That said, poorly constructed or maintained cornices can lead to their own share of deterioration in the upper portions of walls.
Now that does have to be true,   Less water, less damage.  
 
But ... is that actually why they were installed?  Did architects/owners say "yup, gotta get a cornice here"?   I doubt that - why else would 100% of buildings lack any cornice whatsoever, not even a little burp, on the non-street fronts?   Same with 19th c rowhouses - big wooden cornice on front, nothing on back.  Then, too, Chrysler, Empire, Cities Service any tall building - no cornices.  Indeed let us state a hypothesis - the cornice disappears when it is no longer perceptible from the street. 
 
Also, at this time, no discussion whatsoever "oh, golly, that William Van Alen, didn't put a cornice on the Chrysler, that's gonna cost him!"
 
Sir, I think you are trying to turn my world ... upside down!
 
Yrs.   Top o' the world.

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