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TIME CAPSULE EXPO '70
Osaka Castle Park, Banba-cho, Higashi-ku, Osaka, Japan.
|Latitude||: 34º40'58"526 North|
|Longitude||: 135º31'42"718 East|
|Due North||: +0º16'5"8|
|Altitude||: 31.159 metres|
|Capsule N0.1||: 11.4 metres|
|Capsule N0.2||: 7.5 metres|
Measured from surface of monument plinth to top of protective concrete enclosure in each case.
A stainless steel semi-sphere on a portland stone plinth. An inscription reads EXPO '70 TIME CAPSULE.
In a stainless steel cylinder beneath the monument.
|Capsule N0.1||: January 20th, 1971 AD|
|Capsule N0.2||: January 28th, 1971 AD|
|Capsule N0.1||: 6970 AD|
|Capsule N0.2||: 2000 AD (followed by reburial; the process to be repeated every 100 years thereafter until 6970 AD)|
|Shape||: Spherical, 1metre internal diameter|
|Capacity||: 500,000cm³ (approx.)|
: 1.74 metric tons (empty)
2.12 metric tons (with contents)
|Shell thickness||: 35mm-70mm|
|Material||: NTK-22AT (nickel-chrome base stainless steel)|
|Method of manufacture||: Reverse-casting|
|Method of sealing||: Electric welding (inner and outer lids)|
|Internal configuration||: 29 stainless steel compartments|
|Internal atmosphere||: Argon gas|
Artefacts, scientific specimens, records and documents subjected to various preservation techniques: 2,098 items in all.
|Natural Science||: 742 items|
|Social Science||: 686 items|
|The Arts||: 592 items|
|Miscellaneous||: 78 items|
|Printed matter||: Newspapers, magazines, books, Ieaflets, etc.|
|Special techniques||: Microbook, stainless steel etchings, silicon etchings|
|Film||: Microfilm, dye-transfer colour photographs, 16-mm motion picture film|
|Paintings||: Picture scrolls using special pigments|
|Sound||: Magnetic tape, gold-plated phonograph records|
Plutonium timekeeper (one in each capsule)
Maximum-minimum thermometer (one above each capsule)
¥200 million (approx.)
The Mainichi Newspapers
Matsushita Electric Industrial Company
The Prime Minister's Office
The Ministry of Foreign Affairs
The Ministry of Education
The Ministry of International Trade & Industry
The Science and Technology Agency
The Japan Association for the Japan World Exposition, 1970 Osaka Prefectural Government
The City of Osaka
The Ministry of Education, Japan
The contents of this site are excerpted from THE OFFICIAL RECORD OF TIME CAPSULE EXPO'70(March 1975). Please note that company and organization names may differ from those of the current ones.
© Panasonic Corporation 2010