NASA NTRS ยท 19640000007
Metal strip forms 21 foot boom, rolls up for compact storage
Abstract
An extensible boom, carrying three separate electric conductor tapes, can be rolled into a compact storage drum. The tape is curved in cross section so that the boom automatically forms a tube as it is extended.
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1964-05-01. Metal strip forms 21 foot boom, rolls up for compact storage. https://ntrs.nasa.gov/citations/19640000007
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