Table of contents
November 13, 1869, Volume 21 No 20 pp305-318
About the coverBusiness and Personal
Top of page
Top of pageArticles
The “Dogwoods” used in to Manufacture of Gunpowder in England - pp306 - 307
John B. Jackson, A.L.S
doi:10.1038/scientificamerican11131869-306a
The Manufacture of Sulphuric Acid - pp307 - 308
doi:10.1038/scientificamerican11131869-307
Improvement in Frames for Spectacles and Eye Glasses - p308
doi:10.1038/scientificamerican11131869-308
Inflammable Gas-Engines - pp311 - 312
F. A. P Barnard, L.L.D.,
doi:10.1038/scientificamerican11131869-311
What is to Become of our Brown-Stone Fronts? - p313
doi:10.1038/scientificamerican11131869-313
Is There Such a Thing as Social Science? - p313
doi:10.1038/scientificamerican11131869-313b
Mica Brocades–a New Product of Art - pp313 - 314
doi:10.1038/scientificamerican11131869-313c
Manufacturing, Mining, and Railroad Items - p316
doi:10.1038/scientificamerican11131869-316
