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----- Original Message -----
From: "richhart" <richhart(a)kingmanaz.net>
To: <SPAIN-L(a)rootsweb.com>
Sent: Tuesday, September 19, 2000 12:55 PM
Subject: [SPAIN-L] grave pictures
> FYI
> more headstone info from another list..
>
> From: "Gail Meyer Kilgore"
> <gkilgore(a)primenet.com>
> Subject: [CO-CEMETERIES] Gravestone Pictures
> Date: Mon, 4 Sep 2000 23:40:29 -0700
>
> The Association of Gravestone Studies recommends that
> nothing be used on
> stones but perhaps a spraying of plain water and -
> carefully - a soft brush.
> No chalk, no shaving cream, no toothpaste. Harmless as
> they are to humans,
> the chemicals can enter into minute fissures in the old
> stones and cause
> damage over time.
>
> To take pictures of the stones use a large mirror. Buy an
> inexpensive one
> about 5 feet tall and 2 feet wide from K Mart. You do
> need a helper for
> this, to hold the mirror to reflect light at an angle.
> Some of those soft
> white stones that are impossible to read come into sharp
> relief using this
> method. No matter the time of day. It even works on a
> lightly overcast day.
>
> Rubbing is prohibited in most of the old cemeteries.
>
> ______________________________
----- Original Message -----
From: "richhart" <richhart(a)kingmanaz.net>
To: <SPAIN-L(a)rootsweb.com>
Sent: Tuesday, September 19, 2000 12:43 PM
Subject: [SPAIN-L] headstone cleaning
> >From another list-this is interesting!
>
> For YFI
>
> From: "Gail Meyer Kilgore"
> <gkilgore(a)primenet.com>
> Subject: [CO-CEMETERIES] CLEANING
> CEMETERY STONES
> Date: Tue, 12 Sep 2000 13:19:31 -0700
>
> For your info:
>
> Subject: Cleaning Stone by John Dennis
>
> Cleaning Stone
>
> Check the stone's condition before cleaning
>
> No stone should be cleaned if its condition is
> questionable:
>
> A stone with a friable or "sugary" surface,
> A stone with a grainy surface that readily falls
> away, or
> Any other condition that indicates that the stone is
> delicate, brittle, or otherwise vulnerable.
>
> ALL surfaces of the stone should be checked. If there is
> Any question as to the stone's condition, DO NOT attempt
> to clean it as the
> surface could be irreparably damaged in the process.
>
> The Cleaning Process
> 1. Mix a solution of one heaping tablespoon of ORVUS®
>
> (a detergent that comes in either liquid or paste form) to
> one gallon of
> clean water. ORVUS® is commonly used in association with
> horse
> and sheep husbandry and is available from feed stores;
> 2. Pre-wet the stone thoroughly with clear water to
> make sure the detergent solution will not be absorbed
> directly in the dry
> stone;
> 3. Thoroughly was the PRE-WETTED stone using NATURAL
> BRISTLE, WOODEN HANDLED BRUSHES of various sizes. The use
> of plastic
> handles is not recommended as color from the handles may
> leave material on
> the stone that will be very difficult to remove.
> 4. BE THOROUGH. Wash all surfaces. Rinse thoroughly
>
> with lots of water.
>
> Remember!
>
> DO pre-wet the stone with clear water prior to
> cleaning, and keep
> the stone wet during the entire washing process.
> DO NOT allow the detergent solutions to dry on the
> stone while cleaning.
> NEVER use abrasives, high pressure washes, acids or
> bases, solvents, household cleaners, wire brushes, or sand
> blasting
> or other blasting equipment to clean stone!
>
> Cleaning Marble and Limestone
>
> When cleaning marble or limestone, one tablespoon of
> household ammonia can be added to the above mixture; this
> will help remove
> some greases and oils. DO NOT use ammonia on or near any
> bronze or other
> metal elements.
>
> Lichens and Algae
>
> Lichens and algae can be removed by first thoroughly
> soaking
> the stone and then using a wooden scraper to gently remove
> the biological
> growth. This process may need to be repeated several
> times to remove the
> material.
>
> Stains
>
> Some stains in porous stones cannot be removed. DO NOT
> expect the stones to appear new after cleaning.
>
> Frequency of Cleanings
>
> DO NOT clean marble, limestone, or sandstone more than
> once
> every 18 months. These types of stones may occasionally
> be rinsed
> with clean water to remove bird droppings and other
> accretions. Granite can
> be cleaned as needed.
>
> Keep a Record of the Cleaning
>
> Simple treatment records should be kept with the date of
> cleaning, materials used, and change in condition since
> last cleaning
> (such as missing parts, graffiti, and any other damage).
> These
> records should be kept at a central location where the
> condition of the
> stone can be monitored over time.
>
> Developed from data
> Supplied by John R. Dennis
> Dallas Museum of Art Conservation Lab, March 1995
>
> Gail Meyer Kilgore
> Casa Grande, Arizona
>
> ______________________________