Scientific American Magazine
Volume 25, Issue 1You are currently logged out. Please sign in to download the issue PDF.
Features
Sir John Herschel
Instrument for Parting Ladies' Hair
A Self-Moving Ship
Improvement in Riveting Tools
Rand's Improved Saw Arbor
Odiorne's Improvement in Seals for Hydraulic Mains of Gas Works
Philippi's Improved Drill Chuck
Improved Self-Measuring Faucet
Lightning Rods
Joseph Henry and the Electric Telegraph
Effect of Corporation Employment on Work-Men
Extracting Gold from Washings and Poor Ores
Massachusetts Shoemakers on the Taxes
Colossal Bronze Bust of Washington Irving
Scientific Intelligence- July 1, 1871
The Kelly Patent Extension Case.--Address of Hon. S. S. Fisher.--Competitive Examinations.-- Female Applicants for Clerkships in the Patent Office
Queries- July 1, 1871
Narrow Gages for Railways
Answers to Correspondents- July 1, 1871
Applications for Extension of Patents- July 1, 1871
Official List of Patents- July 1, 1871
Recent American and Foreign Patents- July 1, 1871
Departments
Correspondence- July 1, 1871
New Books and Publications- July 1, 1871
Business and Personal- July 1, 1871
