In 1866-67, H. J. Booth & Co.—a partnership of Henry J. Booth, George W. Prescott and Irving M. Scott—was operating the Union Iron Works in San Francisco, and were making stationary and marine steam engines among other products.
Information Sources
- Ads in 1866 and 1867 editions of the San Francisco Directory.
- American Steam Engine Builders: 1800-1900 by Kenneth L. Cope, 2006 page 246