Steam generators
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First published: 1938
1 language
![[William Wheeler Hubbell, authorized to apply for patents.]](https://covers.openlibrary.org/b/id/10200621-M.jpg)
United States. Congress. Senate. Committee on Patents
Babcock & Wilcox Company.
![[To promote education of the blind.]](/assets/img/no-cover.svg)
United States. Congress. Senate. Committee on Education and Labor.
Robert Henry Thurston
Robert Henry Thurston
William Kent