Photo Preservation
How to Care for Your Photographs
Photographs are wonderful, mysterious things. Yet we have become so accustomed to them that we take them for granted. 1999 marked the 160th anniversary of the public introduction of photography. Prior to 1839 you could not see what distant places truly looked like, or see yourself as you appeared when you were younger. Most people didn't know what the President of the United States really looked like, or the King or Queen of England. Oh sure there were pictures, artists drawings and paintings, but they were all interpretations -- even the most faithful representations were influenced by the style, medium and mind of the artist. Along came the invention of photography, and all that changed overnight.
With every picture you take, you are freezing a moment in time; capturing a view that can never be exactly the same again. You may have a closet full of such frozen moments, or just a few rolls from your last vacation. If you want to be able to enjoy those moments far into the future, you need to take some care in the handling and storage of those images. If you have family photos handed down from earlier generations, you have a responsibility to future generations to pass them on in as good condition as possible.
When taking care of older photographs it helps to know something of the process by which they were made, but it not essential. If you would like to learn more about Identifying and Dating Old Photographs there is considerable information available. In practice, all photos need to be protected from the same dangers. Light is enemy number one. Chemical degradation is another problem, and much less easy to deal with. And of course you must protect them from physical damage, be it the curiosity of children or the fury of storm, flood or fire.
Light
Photographs are made by the action of light on a specially treated chemical surface (at least they were before digital imagery was invented, but more about that later ...) Little wonder then that even after they are fixed into a stable image, photographs can still be affected by light. Bright light will cause photos to fade. Actually, all photographs are fading at all times, but light greatly accelerates the process. The degree of fading depends on the type of process used to create the image, how well it was processed, and other factors. As a general rule, color photos fade faster than black and white.
Of course you have to expose photos to light to view them, and what good are they if they are never seen? But you should be careful to store them in light-proof boxes. Pictures you hang on your walls should be thought of as disposable -- don't hang the original if it is a family heirloom -- make a copy and hang that. Avoid placing pictures where they will be in direct sun.
Chemical degradation
When pictures fade from sunlight it is really a form of chemical degradation, but there are other factors that can contribute to this process. If the pictures were not properly processed when they were made, they have more damaging chemicals on them, and will suffer the effects of chemical degradation much faster than properly processed images. If you are having copies made, or prints from new photos that you want to last well into the future, you can have them archivally processed to ensure the fewest possible damaging trace chemicals will remain on the print. Old prints can be re-processed to remove chemicals, but that process should only be attempted by professional restoration experts.
Another source of chemical degradation is the paper (or on mounted pictures, the cardboard the print is mounted on) used in making prints. If the paper is too acidic, it may fall apart with time, disintegrating slowly from within. There are sprays available that can be used on the back of photos to slow this process.
Photos can also pick up deleterious chemicals from their environment, the air around them, other pictures, or the material they are stored in. To ensure long life, store your pictures in safe materials designed for archival storage. Never use those so-called magnetic photo album pages that are sticky -- that sticky surface is made of chemicals that will destroy your pictures.
Other factors than can affect the chemical degradation of photographs are temperature and humidity. Like most chemical processes, those that damage your pictures are accelerated by heat and humidity. Excessively low heat or humidity can also be damaging however. All materials expand and contract with temperature changes, which can lead to cracking of the image surface. Rapid changes in temperature and humidity can be very destructive. Very low humidity can also cause curling. Store your photos in an area where the temperature is steady and avoid extremes such as would be found in an attic or basement. Again, proper storage materials will help ameliorate the effects of fluctuating temperature and humidity.
Physical Protection
How many times have you seen interviews with survivors of a disaster such as flooding or fire, where they lament the loss of their irreplaceable family photos? There is a simple solution to this problem. Photos have the wonderful property of being reproducible. You can have copies made in any quantity. Always have multiple copies made of your favorite photos, and send them to relatives living in other parts of the country. If you have pictures of historical significance, contact museums in the locality where they are from, they may be happy to accept copies. Distribute your images far and wide, and you will always be able to find another copy should yours be destroyed.
There are less severe forms of physical destruction that you can protect against. Bent corners, folds and smudges from greasy fingers can all damage your pictures. Children will scribble on the backs if given the chance. Store your pictures securely, in safe materials. Don't just stuff them in a drawer. There are chemically inert plastic sleeves available for picture albums that allow the pictures to be viewed without removing them from their page.
Information
The value in common snapshots and portraits lies mostly in the associations we have with them. Portraits of our ancestors interest us more than unidentified portraits. Pictures of places we have been, houses we have lived in, are more interesting than similar pictures for which we have no associations. Even indirect associations lend worth to an image -- a snapshot of the pyramids in Egypt may not approach the many professional images available of those wonderful monuments; but if we know it was Aunt Lizzie who took that picture while on her honeymoon, the picture suddenly has more sentimental value. These associations require information not contained in the photo itself. Always label your pictures! The who/what/why/when/where associated with an image makes a world of difference in how it is valued by others. Never write on a print with a pen, the ink may have chemicals that will damage the picture. Write on the back, using a dark pencil, and don't press so hard as to damage the front side. At a minimum, put the date and names of persons shown and/or location of the photo. If you store them in clear plastic sleeves, don't put two pictures back-to-back in one sleeve -- leave the back visible so you can see if there are any notes without having to remove the picture from its sleeve.
Digital Images
With the advent of digital imaging, we have a whole new type of image to deal with. It does not degrade, and can be copied at little expense. It is also more easily manipulated. Long-term storage is technology dependent, and less predictable than the physical processes affecting chemical photographs. Will CD's made now be intact a hundred years from now? Will there be machines capable of reading them? Who knows? But the opportunity to duplicate and distribute your images at minimal cost, with room to include as much information as you want, rather than just the little note that will fit on the back of a print, makes this an attractive way to share your pictures. You can be sure that when the time comes that the CD format is phased out, there will be a "window of opportunity" during which time it will be easy to transfer the digital information from CD's to whatever format replaces them.
Step1
Photo Albums, Scrapbooks and Photo Boxes: Purchase photo albums that are of high quality materials so as not to damage your family photos. Ideally use acid free and lignin free paper. If your photo album has plastics, choose the ones that are PVC-free such as Mylar, Polypropylene, Polyester and Polyethylene.
Photo boxes made of acid free materials with acid free card dividers can be purchased from any photo or craft store. Avoid using rubber bands, paper clips and pins in holding photos together. If you are sticking your photos in scrapbooks, make sure to use of photo-safe glues and avoid using regular adhesive tapes and glues that may damage your photos.
Step2
Handling of Photos: If you are handling rare or vintage photographs, you may want to use cotton gloves. A human body excretes natural oils that can be harmful to photographs so handling the photos with cotton gloves would prevent them from transferring to the photos.
Step3
Labeling Photos: Do not write on your photos. When writing on the back of your photos do not use regular ball points or felt tip pens. Look for photo-safe pens that you can buy at photo or craft stores.
Step4
Storage: When storing photo albums and photo boxes, make sure to find a place where your photos will not be easily reached by young children, pets and pests. Store your photos in a place away from anything that can cause water leaks and fire. Avoid storing photos in unfinished or un-insulated attics and basements.
Avoid exposing your photos under direct sunlight for this can cause fading. Avoid storing photos where you store chemicals such as cleaning solutions, garden solutions and detergents to name a few.
Step5
Storing Negatives: Do not store negatives and photos together. If you have rare photos and negatives, think of putting them inside a fire-proof safe or safety deposit box. You can buy negative cases from photo supply stores to safely store your negatives.
Step6
Temperature and Humidity: Store your photos in room temperature, preferably between 65 to 70 degrees with a relative humidity of about 50%.
Step7
Scan and Save to Discs: Scan photos or download digital images and save them on Compact Discs (CD). Since files can get corrupted and discs can get damaged overtime, ensure that you re-copy your discs every 8 to 10 years. When scanning old rare photos, ensure that you have a professional do it. They have equipment that will not damage your photos.
Step8
Developing and Printing: When getting your negatives developed or photos re-printed, take them to professional photo shops and not just in drugstores or department stores. A professional photo developer uses high quality chemicals that they keep fresh at all times, minimizing deposits and damage to your photos.
Step9
Framing: When framing photos make sure to use acid free mats and photo safe materials. Avoid displaying framed photos under direct sunlight which can cause fading. If you want to display old and rare photos, use copies instead of the original ones.| Custom Photo-JEWELRY
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