@article{ref1,
title="On thrashing machines",
journal="Proceedings of the institution of mechanical engineers",
year="1881",
author="Beaumont, W. Worby",
volume="32",
number="1",
pages="369-406",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0020-3483",
doi="10.1243/PIME_PROC_1881_032_017_02",
url="http://dx.doi.org/10.1243/PIME_PROC_1881_032_017_02"
}