@article{ref1,
title="On the transmission of power by water pressure, with the application to railway goods stations, forge and foundry cranes, and blast-furnace hoists",
journal="Proceedings of the institution of mechanical engineers",
year="1868",
author="Armstrong, William G.",
volume="19",
number="1",
pages="21-41",
abstract="<p>[Abstract unavailable]</p>",
language="en",
issn="0020-3483",
doi="10.1243/PIME_PROC_1868_019_007_02",
url="http://dx.doi.org/10.1243/PIME_PROC_1868_019_007_02"
}