Suggestions on how to accomplish a time capsule, area to buy one, what to put in it, and altitude that can advice bottle it. Guidelines alter depending on the bulk of time advised that the altar are to be in the time capsule, i.e., the best in the abridged the added acrimonious the precautions.
Use a strong, waterproof asylum that can be closed deeply to accumulate out air and water. Canisters can be fabricated of copper, aluminum, stainless animate or ample bore polyethylene pipe. Sheet metal fabricators can accomplish stainless animate cylinders. A metal time abridged alluringly should be seamless although it could additionally be welded. The abridged should be closed with a screw-cap with a gasket, although it could additionally be anchored shut. A time abridged should not be bendable anchored as adhesive can adulterate in the arena acceptance baptize to access the capsule.
End-caps on ample bore polyethylene aqueduct can be heat-sealed; accoutrement in caps can be abounding with attenuate Teflon tape. Polyethylene may become absorbent to damp as it ages, so it charge be encased in a waterproof asylum if active in the ground.
Do not use polyvinyl chloride (PVC) aqueduct for time capsules: some of its actinic apparatus are artlessly ambiguous and breach bottomward in a action that cannot be antipodal and will absolution acids into the canister.
Companies that accomplish time capsules are:
AMALCO230 Sheffield StreetMountainside, NJ 07092(908) 233-3500
Architectural Bronze Aluminum Corporation655 Deerfield Road, Suite #100 PMB422Deerfield, IL 60015-3241(800) 339-6581
Erie Landmark637 Hempfield Hill RoadColumbia, PA 17512(800) 874-7848
Future Packaging & Preservation544 E. Edna PlaceCovina, CA 91723(626) 966-1955
Heritage Time Capsules5373 Transit RoadWilliamsville, NY 14221(716) 868-0057
Time Capsules, Inc.107 Bauder School RoadProspect, PA 16052(724) 333-3473
Safe and Unsafe Materials
Electronics are a problem. If you accommodate video or audio tapes or bunched disks, the accessories to comedy them aback may not be accessible back the time abridged is opened. Furthermore, the tapes or disks may accept deteriorated. Accommodate instructions on any advised playback equipment. For computer tapes, add a accounting archetype of the software, and analyze the computer type.
Polyvinyl acetate (PVAC) or PVC, including artificial aliment wrap, will adulterate alike in a closed abridged and absolution acerb acerbic and hydrochloric acid, respectively, as they age.
In general, appropriately processed, fiber-based, black-and-white accurate prints, finer advised with gold, selenium or poly-sulfide toner, accumulate best. Accurate films coated on a polyester abject rather than an acetate abject are added stable. Blush prints and slides can achromatize alike back kept in the dark.
Newsprint is acerb and deteriorates easily. A bounded building or library should accept names of cardboard conservators. The another is to accomplish photocopies on archival affection cardboard (high-alpha cellulose) with an acrid assets of pH 7.5-8.0.
Objects fabricated of elastic should not be placed in time capsules back elastic deteriorates over time, absolution sulfur.
All wood, abnormally oak, gives off acerbic abasement and charge be closed abroad from cyberbanking accessories or metal articles, abnormally those fabricated of lead, or lead-containing alloys, in the time capsule.
Textiles should be apple-pie and insect free. Characteristics of fibers that ability be acclimated in a time capsule:
– Cotton: Acts as a clamminess absorber if temperature changes.- Polyester: Stable.- Silk: May adulterate in oxygen atmosphere.- Wool and Hair: Contain sulfur; may outgas and bite metal.
Prepare capacity to be placed in the time abridged in a cool, dry environment. Silica gel will advice to absorber the clamminess in the capsule. It is awash in diminutive anatomy in art accumulation stores, accouterments stores, and some administration abundance closet shops. It charge be conditioned to a low clamminess akin afore use. ART-SORB, a added cher but easy-to-use anatomy of silica gel is accessible from attention suppliers.
Argon or nitrogen gas may be alien into the abridged to alter oxygen. Bottled gas companies can accumulation these gases.
The artefact “Ageless” is closed in a packet that is oxygen permeable. This artefact locks up oxygen that ability aperture into the capsule. It should not be acclimated until aloof afore sealing the alembic and should not be placed abreast heat-sensitive items. “Ageless” is accessible from attention suppliers.
The capsule’s area should be dry. A time abridged activity into the arena may be placed central a burying basement for added protection, or coated with asphalt- or pitch-impregnated bolt to accumulate out water.
If the abridged will be in a cornerstone, the area should be arctic or contrarily cloistral from acute fluctuations in temperature acquired by sun heating. If possible, the area should be vibration-free.
A complete account anecdotic blush and actual of every article should be included back altar can change over time.
American Institute for Attention of Historic & Artistic Works (AIC)1717 K Street, N.W., Suite 200Washington, DC 20006(202) 452-9545FAX (202) 452-9328E-mail: [email protected] accommodate referrals for art conservators.
MCI’s Teaching with Time Capsules.
British Library. How do I accomplish a time capsule?
A abundant announcement on time capsules, CCI Notes 1/6 is accessible from the Canadian Attention Institute, 1030 Innes Road, Ottawa, ON K1A 0M8, Canada, (613) 998-3721, FAX (613) 998-4721. [Also accessible are some Notes on Time Capsules by R.L. Barclay.]
The announcement Time Capsules, the do’s and don’ts is accessible from: Attention Resources (U.K.) LTD., Units 1,2 & 4 Pony Road, Horsepath Industrial Estate, Cowley, Oxford OC4 2nd England, 001865-747755, FAX 01865-747035.
International Time Abridged Society (ITCS)c/o Oglethorpe University4484 Peachtree RoadAtlanta, GA 30319-2797(404) 261-1441FAX (404) 364-8500Seeks: To advance a anthology of all accepted time capsules; to authorize a allowance abode for advice about time capsules; to animate abstraction of the history, variety, and action abaft time abridged projects; and, to brainwash the accepted accessible and the bookish association apropos the amount of time capsules.
Caney, Steven. Accomplish Your Own Time Capsule, 1990, New York: Workman Pub.
Fraser, Helen. The Time Capsule: Repository of the Past or Romantic Notion? AASLH Technical Leaflet #182, 1992. Accessible from the American Association for State and Bounded History, 530 Church Street, Suite 60, Nashville, TN 37219-2325.
Iowa Attention and Preservation Consortium, So you appetite to do a time capsule? Tips to Accumulate in Mind While Trying to Defeat Time by Ivan Hanthorn, Preservation Administration Head, Iowa State University Library
Library of Congress. Making a Time Capsule.
Minnesota Historical Society. Building a Time Capsule: Guidelines for Preserving Materials.
National Archives of Australia. Time Capsules.
The Smithsonian Institution, Building Attention Institute (MCI), gives no endorsements for any products, abstracts or casework mentioned in this announcement and is not amenable for problems from their use or misuse. MCI does not accomplish any warranty, bidding or implied; does not accept any acknowledged accountability or albatross for the accuracy, completeness, or account of any advice or action disclosed; nor represents that its use would not borrow abreast endemic rights. If any organizations or added pertinent advice has been aback afar amuse acquaintance MCI.
Compiled by: Marjorie Cleveland, Gail Goriesky, and Ann N’GadiCreated: April 1992Updated: May 2018, March 2015, September 2006
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