John Elder Biography

Engineer, Inventor(1824–1869)
Scottish marine engineer John Elder developed the marine compound steam engine, which enabled seagoing vessels to save coal and delay refueling.

Synopsis

Marine engineer John Elder was born March 8, 1824, in Glasgow, Scotland. In 1854 he developed the marine compound steam engine (using both high- and low-pressure steam), which enabled seagoing vessels to save 30–40% of the coal they had been burning and helped make practical long voyages on which refueling was impossible.

Fact Check

We strive for accuracy and fairness. If you see something that doesn't look right, contact us!