John Southern

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In existographies, John Southern (197-148 BE) (1758-1815 ACM) (CR:20) (LH:#) (TL:#) was an engineering assistant to James Watt and Matthew Boulton, noted for his 1796 invention the moving “diagram” part of the indicator diagram device.[1]

End matter

References

  1. Thims, Libb. (65AE). Human Chemical Thermodynamics: Subtitle (pdf). Publisher.

External links

Theta Delta ics T2.jpg