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Where and How to Advertise
The Transit of Venus
The Photometer Applied to Astronomy
The Eclipse Sectional Steam Boiler
Textile Fibers Under Microscope
Small Pox.--Old and New Remedies
Scientific and Practical Information
Recent American and Foreign Patents
Rapid Transit in New York
Professor Agassiz on Our Colleges
Patent Office Decisions
Our Present Knowledge of the Sun
Non-Radiating Steam Engine
New Gyroscope Governor
Draper and Tyndall on the Invisible Rays
To the Editor of the
Discoveries of Tin in Queensland
Decisions of the Courts
Cork Cutting in Spain
Answers to Correspondents
A Word with the Reader, Thinker, and Writer
A Few Gratuitous Hints to Inventors
Notes and Queries - March 1, 1873
New Books and Publications - March 1, 1873
Index of Inventions - March 1, 1873
Correspondence - March 1, 1873
Business and Personal - March 1, 1873
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