Collaborative site for collectors, dealers, & anyone interested in our history.
Care information for collectors
Paper produced in the late 19th and throughout the 20th centuries varies a great deal in quality and life expectancy. Daily newspapers degrade visibly in a matter of days, while papers of the highest quality rival the older rag papers in stability. NATIONAL GEOGRAPHIC magazine is printed on 55 pound (81 grams per meter squared) paper coated with a standard latex/casein/clay coating, and bound in a 100 pound (148 grams per meter squared) cover stock with a similar coating. This paper and the synthetic inks used assure a long life expectancy for the magazine.
But all organic materials deteriorate as they age, so proper care and handling are essential to maximize the life of your collection.
The state of preservation, the life expectancy, and the value of your collection are affected by these factors:
But all organic materials deteriorate as they age, so proper care and handling are essential to maximize the life of your collection.
The state of preservation, the life expectancy, and the value of your collection are affected by these factors:
- storage conditions
- the storage materials in which you store your collection handling practices
- exposure to light through display
- the prevention and repair of damage.
Views: 113
Legal notice about this site
Note: Any sales or trade arrangements are solely between users of this site; The National Geographic Society is not a party to and does not endorse or promote any particular sales or trade arrangements between collectors, dealers, or others. Due to the immediate nature of this medium, National Geographic Online also does not review, censor, approve, edit or endorse information placed on this forum. Discussion boards on National Geographic Online are intended to be appropriate for family members of all ages. Posting of indecent material is strictly prohibited. The placement of advertisements or solicitations unrelated to National Geographic also is prohibited. National Geographic Online shall review information placed on this forum from time to time and delete inappropriate material that comes to its attention as soon as it is practicable, but cannot guarantee that such material will not be found on the forum. By posting material on this discussion board you agree to adhere to this policy prohibiting indecent, offensive or extraneous advertising material, and to legally assume full and sole responsibility for your posting.
© 2024 Created by Cathy Hunter.
Powered by
