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Departments

Correspondence

Correspondence pp134 - 136

doi:10.1038/scientificamerican02281863-134


Notes and Queries

Notes and querries pp142 - 144

doi:10.1038/scientificamerican02281863-142


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Articles

Improved Rotary Spader, The Feat of the “Queen of the West” pp129 - 131

doi:10.1038/scientificamerican02281863-129


Miscellaneous Summary p131

doi:10.1038/scientificamerican02281863-131


Modern English Engineering Practice p132

doi:10.1038/scientificamerican02281863-132


Valuable Receipts p133

doi:10.1038/scientificamerican02281863-133


What can be Done for Inventors—Advice Gratis and Advice for Pay p137

doi:10.1038/scientificamerican02281863-137


American and English Steam Fire-Engines p137

doi:10.1038/scientificamerican02281863-137a


The Pressure of the Atmosphere—A Vacuum p137

doi:10.1038/scientificamerican02281863-137b


A Board of Admiralty pp137 - 138

doi:10.1038/scientificamerican02281863-137c


A New Illuminator—Smith's Air Light p138

doi:10.1038/scientificamerican02281863-138


Absorption of Gases by Water and the Lungs p138

doi:10.1038/scientificamerican02281863-138a


A Chance for the Ingenious p138

doi:10.1038/scientificamerican02281863-138b


Discoveries and Inventions Abroad p139

doi:10.1038/scientificamerican02281863-139


Recent American Patents p139

doi:10.1038/scientificamerican02281863-139a


Patent Claims pp140 - 142

doi:10.1038/scientificamerican02281863-140


Tea p144

doi:10.1038/scientificamerican02281863-144


Brigg's Patent Sad-Iron Envelope p144

doi:10.1038/scientificamerican02281863-144a


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