Table of contents
Recently Patented Inventions
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Present Status of American Shipbuilding - p115
doi:10.1038/scientificamerican08151903-115
The Ninth International Geological Congress - p115
doi:10.1038/scientificamerican08151903-115a
Prof. Barnard's Observations of the White Spot on Saturn - p115
Mary Proctor
doi:10.1038/scientificamerican08151903-115b
An Instrument for Describing Mathematical Curves - p116
F. N. Massa
doi:10.1038/scientificamerican08151903-116
An Audible and Visible Railway Signal for Grade Crossings, Operated by a High Tension Current - p117
Emile Guarini
doi:10.1038/scientificamerican08151903-117
Waterway Improvement on the Ohio - pp117 - 118
William Gilbert Irwin
doi:10.1038/scientificamerican08151903-117a
The Secret Cannibal Society of the Kwakiutl - pp120 - 122
Walter L. Beasley
doi:10.1038/scientificamerican08151903-120
An Automatic Device for Replacing Bowling Alley Pins - p122
doi:10.1038/scientificamerican08151903-122
The Sending of the President's Message around the World - pp122 - 123
doi:10.1038/scientificamerican08151903-122a