Table of contents
July 18, 1874, Volume 31 No 3 pp31-45
About the coverBooks
Business and Personal
Index
Patent Notes
Top of page
Top of pageArticles
Recent Printing Press Improvements - pp32 - 33
doi:10.1038/scientificamerican07181874-32b
The Clamond Thermo-Electric Battery - pp34 - 31
doi:10.1038/scientificamerican07181874-34a
