Table of contents
Recently Patented Inventions
Business and Personal
Index
Patent Notes
Top of page
Top of pageArticles
An Automatic Adding and Recording Machine - p338
doi:10.1038/scientificamerican05301891-338a
The Yaryan Process and Apparatus for Evaporation of Liquids - pp342 - 343
H. H. D. Peirce, M.E.
doi:10.1038/scientificamerican05301891-342