medieval-religion: Scholarly discussions of medieval religion and culture
Calling all squirrels.
The latest from Stonewall Stuart:
>The issue of washing limestone is not one of the stone per -say, it is
the protection of the jointing between the stones and the mortar.
During building the mortar is cut back and later 'dubbed-out' that is to
say 'pointed' to a flush face to allow a thick wash. If you look at
some old wash you will see how thick it is. The jointing needed to be
protected to stop ingress of moisture both into the stone and the mortar
primarily because co-efficient of expansion (and contraction) over time
wold lead to problems even though lime-mortar is more 'elastic' than
current portland cement (which is of course why cement is such a
disaster when used either to build stone-work or, more catastrophically,
to point it). I suspect from my observations over the years that the
application of a strong 'wash' - which was often more akin to a
'plaster' - allowed the actual mortar to be mixed less strongly which,
whilst not too problematic for walls where the actual strength is in the
placing of the stones, and definately cheaper given that not all areas
had limestone on the doorstep, did not produce a totally waterproof
membrane.'
Dr Madeleine Gray, in the foothills of God's golden county of Gwent
Senior Lecturer in History
School of Education/Ysgol Addysg
University of Wales, Newport/Prifysgol Cymru, Casnewydd
Caerleon Campus/Campws Caerllion, PO /Blwch Post 179
Newport/Casnewydd NP18 3YG, Wales/Cymru
Tel: +44 (0)1633.432675
'I ask you for help. And all you give me is ...papers!'
(Magda in Gian Carlo Menotti's The Consul)
History at University of Wales, Newport: http://timezone.newport.ac.uk
Gwent County History Association website:
http://gwent-county-history-association.newport.ac.uk
Cistercian Way: http://cistercian-way.newport.ac.uk
-----Original Message-----
From: medieval-religion - Scholarly discussions of medieval religious
culture [mailto:[log in to unmask]] On Behalf Of
Christopher Crockett
Sent: 08 January 2008 17:22
To: [log in to unmask]
Subject: Re: [M-R] painted stone (again!)
medieval-religion: Scholarly discussions of medieval religion and
culture
From: Madeleine Gray <[log in to unmask]>
> including your lyrical description, Christopher, of the stone at
Chartres.
'twernt "lyrical" at all --simply an objective statement of Empirically
Observed Fact.
shucks, most of the time, i wasn't even Stoned when i saw it.
c
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