TY - JOUR T1 - On the Progressive Improvements Made in the Efficiency of Steam Engines in Cornwall; with Investigations of the Methods Best Adapted for Imparting Great Angular Velocities. JF - Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London (1800-1843) VL - 2 SP - 393 EP - 394 PY - 1815/01/01/ UR - http://dx.doi.org/10.1098/rspl.1815.0387 M3 - doi:10.1098/rspl.1815.0387 AU - Gilbert, D. ER -