Table of contents
June 29, 1861, Volume 4 No 26 (New Series) pp401-414
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Letter from Our Washington House - pp402 - 403
doi:10.1038/scientificamerican06291861-402
Vallance's Telescopic Sight for Rifles - p403
doi:10.1038/scientificamerican06291861-403a
The Great Inventions of the Last Six Months—How an Important Invention was Suggested - p407
doi:10.1038/scientificamerican06291861-407a
Interesting Facts about United States Arsenals - pp408 - 409
doi:10.1038/scientificamerican06291861-408b