Porter Water Softening and Engineering Co: Difference between revisions
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Presumably a successor in some way to [[Porter Clark Water-Softening Co]] | |||
1921 Porter's patent densimeter described by [[W. H. Porter]].<ref>The Engineer 1921/02/25</ref> | 1921 Porter's patent densimeter described by [[W. H. Porter]].<ref>The Engineer 1921/02/25</ref> | ||
Latest revision as of 08:47, 20 December 2023
Presumably a successor in some way to Porter Clark Water-Softening Co
1921 Porter's patent densimeter described by W. H. Porter.[1]
See Also
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Sources of Information
- ↑ The Engineer 1921/02/25