Table of contents
Recently Patented Inventions
Business and Personal
Notes and Queries
Index
Patent Notes
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A Burner for Heated Compressed Air and Oils Gases etc - p84
doi:10.1038/scientificamerican02081890-84
High and Low Tension Electric Circuits - p91
T. O'Conor Sloane
doi:10.1038/scientificamerican02081890-91
Paris Sewer Electeic Wires and Pneumatic Tubes - p91
doi:10.1038/scientificamerican02081890-91a