Improvement in Sulky Harrows, Lighting Mines with Gas - p71

doi:10.1038/scientificamerican01291870-71

PDF (386 KB)

Double Ratchet Brace - p71

doi:10.1038/scientificamerican01291870-71a

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Agricultural Engineering - pp71 - 72

doi:10.1038/scientificamerican01291870-71b

PDF (792 KB)

Ancient and Modern Industries of the Chinese - pp72 - 73

doi:10.1038/scientificamerican01291870-72

PDF (934 KB)

Manufacture of Indian Ink - p73

doi:10.1038/scientificamerican01291870-73

PDF (531 KB)

The Tanite Solid Emery Wheel - pp73 - 75

doi:10.1038/scientificamerican01291870-73a

PDF (1,223 KB)

Improved Open Fire Grate - p75

doi:10.1038/scientificamerican01291870-75

PDF (301 KB)

The Egyptian Fellah - p77

I. Cantini

doi:10.1038/scientificamerican01291870-77

PDF (243 KB)

The Barracouta - p77

John Ramsay Gordon

doi:10.1038/scientificamerican01291870-77a

PDF (243 KB)

Improved Lever Escapement - p78

doi:10.1038/scientificamerican01291870-78

PDF (306 KB)

Our Splendid Engraving - p78

doi:10.1038/scientificamerican01291870-78a

PDF (306 KB)

Ludlow's Sliding Stop Valves for Steam, Water, and Gas - p78

doi:10.1038/scientificamerican01291870-78b

PDF (306 KB)

The “Scientific American” in 1869 - p79

doi:10.1038/scientificamerican01291870-79

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Tin—Where and How It Is Obtained - p79

doi:10.1038/scientificamerican01291870-79a

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Is Water Necessary to Mitigate the Effects of Dry Air from Heating Furnaces? - pp79 - 80

doi:10.1038/scientificamerican01291870-79b

PDF (676 KB)

Wanted—Better Sidewalks - p80

doi:10.1038/scientificamerican01291870-80

PDF (424 KB)

A Peculiar Feature of Agricultural Invention - p80

doi:10.1038/scientificamerican01291870-80a

PDF (424 KB)

The Steam Engine Trials at the American Institute Exhibition - p80

doi:10.1038/scientificamerican01291870-80b

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Ancient Modes of Extinguishing Fires - pp80 - 81

doi:10.1038/scientificamerican01291870-80c

PDF (713 KB)

Slate Pencils - p81

doi:10.1038/scientificamerican01291870-81

PDF (304 KB)

On Cotton Seed and Cotton Seed Oil - pp81 - 82

C. Widemann, Chemist

doi:10.1038/scientificamerican01291870-81a

PDF (825 KB)

United States Circuit Court—Southern District before Judge Blatchford - p82

doi:10.1038/scientificamerican01291870-82

PDF (538 KB)

Recent American and Foreign Patents - pp82 - 83

doi:10.1038/scientificamerican01291870-82a

PDF (995 KB)

Answers to Correspondents - p83

doi:10.1038/scientificamerican01291870-83a

PDF (495 KB)

Applications for Extension of Patents - p83

doi:10.1038/scientificamerican01291870-83c

PDF (495 KB)

Official List of Patents - pp83 - 84

doi:10.1038/scientificamerican01291870-83d

PDF (825 KB)