Collapsible Restraint for Measuring Tapes.
A collapsible restraint is provided for attachment to the end of a flexible measuring tape in order to allow the thickness of a material, such as an ice layer covering a lake or other body of water, to be measured through a hole in the material. The collapsible restraint includes first and second pi...
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Format: | Text |
Language: | English |
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1983
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Online Access: | http://www.dtic.mil/docs/citations/ADD010890 http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADD010890 |