Volume 25, Issue 10
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Features
The Dangers of Sewage Irrigation
Plaster of Paris Manufacture
Teeth
Anchor Beam Support for Brick Walls
The Road Steamer and Omnibus
The New Hotel Cairo Egypt
Occasional Notes
Dugdale's Universal Clothes Washer
Stanislas Sorel
Is the World Round or Flat ?
Steam Boiler Legislation in England
New York Police Inspection of Boilers
Scientific Intelligence- September 2, 1871
The Grahamite Asphalt Pavement
Editorial Summary- September 2, 1871
Answers to Correspondents- September 2, 1871
Queries- September 2, 1871
Applications for Extension of Patents- September 2, 1871
Recent American and Foreign Patents- September 2, 1871
Official List of Patents- September 2, 1871
Issued by the U. S. Patent Office