CABARET of SPIRITS Atelier ... BLOG VERSION

CABARET of SPIRITS Atelier ... BLOG VERSION
...Photographs should be protected from extended exposure to intense light sources. Limit exhibition times, control light exposure, and monitor the condition of the photographs carefully. Prolonged or permanent display of photographs is not recommended. Use unbuffered ragboard mats, and frame photographs with archivally sound materials. Use ultraviolet-filtering plexiglass to help protect the photographs during light exposure. Reproduce vulnerable or unique images and display the duplicate image; in this way, the original photograph can be properly stored and preserved.

Disaster preparedness begins by evaluating the storage location and the potential for damage in the event of a fire, flood, or other emergency. It is important to create a disaster preparedness plan that addresses the specific needs of the collection before a disaster occurs.

The location and manner in which photographs are housed can be the first line of defense. Identify photographic materials that are at higher risk of damage or loss. Remove all potentially damaging materials such as paper clips and poor-quality enclosures. Store negatives and prints in separate locations to increase the possibility of an image surviving a catastrophe. If a disaster occurs, protect the collection from damage by covering it with plastic sheeting and/or removing it from the affected area. If using plastic, make sure not to trap in moisture as this could lead to mold growth. Evaluate the situation and document the damage that has occurred. Contact a conservator as soon as possible for assistance and advice on the recovery and repair of damaged materials.

PS .If your photograph requires special attention or you are unsure about how to protect it, you should contact a conservator.To search for a conservator near you.






Cabaret of Spirits ATELIER

Cabaret of Spirits ATELIER

Treatment Options for Photographic Materials may include

mold removal
surface cleaning
stain reduction (only if possible and safe to do so)
tape and adhesive removal
separation from poor quality mounts
consolidation of cracked or flaking emulsion
mending tears or breaks
conservation of cased photographs and case repair
daguerreotypes
ambrotypes
ferrotypes
electro-cleansing of tarnished daguerreotypes
rehousing options
four-flap enclosures
clamshell boxes
polyester sleeves
encapsulation
conservation framing

PRESERVING & PROTECTING PHOTOGRAPHS

PRESERVING & PROTECTING PHOTOGRAPHS
Hundreds of millions of photographs have been lost over the years to natural disasters, wars, and the age-old urge to clean house. So there is something special about every old photograph that's survived. Someone decided to make it... someone else, to buy it... and a lot of someones decided to keep it over the years. Whether you're the caretaker of a treasured family album or a collector who has searched out the classics of photography, it's important to preserve and protect the images you value. Fortunately, there is new information about what to do and what to avoid. And there are specialized products available to help.

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Me: I am modern day alchimist practicing photographic process of the 19th Century and the handcraft

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Monday 4 May 2015

Daguerreotypes can be easily damaged. Treatment involves a certain level of risk and should be done under the supervision of a professional conservator.




Whole plate
6-1/2" x 8-1/2"
Half plate
4-1/4" x 5-1/2"
Quarter plate
3-1/4" x 4-1/4"
Sixth plate
2-3/4" x 3-1/4"
Ninth plate
2" x 2-1/2"
Sixteenth plate
1-3/8" x 1-5/8"




The earliest cameras used in the daguerreotype process were made by opticians and instrument makers, or sometimes even by the photographers themselves. The most popular cameras utilized a sliding-box design. The lens was placed in the front box. A second, slightly smaller box, slid into the back of the larger box.
 The focus was controlled by sliding the rear box forward or backwards. A laterally reversed image would be obtained unless the camera was fitted with a mirror or prism to correct this effect.
When the sensitized plate was placed in the camera, the lens cap would be removed to start the exposure.




... The daguerreotype is a direct-positive process, creating a highly detailed image on a sheet of copper plated with a thin coat of silver without the use of a negative. The process required great care.
The silver-plated copper plate had first to be cleaned and polished until the surface looked like a mirror.
Next, the plate was sensitized in a closed box over iodine until it took on a yellow-rose appearance.
The plate, held in a lightproof holder, was then transferred to the camera. After exposure to light, the plate was developed over hot mercury until an image appeared. To fix the image, the plate was immersed in a solution of sodium thiosulfate or salt and then toned with gold chloride.
Exposure times for the earliest daguerreotypes ranged from three to fifteen minutes, making the process nearly impractical for portraiture. Modifications to the sensitization process coupled with the improvement of photographic lenses soon reduced the exposure time to less than a minute.


Parts of the Daguerreotype, ca. 1854. From left to right: Glass, Mat, Daguerreotype, Preserver, Case. 

the way.