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 Length/Distance  | Convert from button measure to chain [Ramsden, engineer] |
Related Categories:
Common Length Conversions
Metric Length Conversions Unit Definition (button measure)
The button measure is a unit of distance equal to 1/40 inch (0.635 millimeter), used to measure the thickness of buttons. Unit Definition (chain [Ramsden, engineer])
The Ramsden chain is quite different to the Gunter chain. The Ramsden chain was commonly used by American surveyors. It equals approximately 100 feet and is also known as the engineer's chain.
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