Scientific American Magazine

Barrel Machinery

New Brick Machine

New Suspension Bridge at Niagara

A Perilous Situation

Rail-Road News

The Age of Gold

List of Patent Claims

Metropolitan Hotel

Woodworth Patent

To our Subscribers--End of Volume 7 Scientific American

Annual Fair of the South Carolina Institute

New Lubricating Balance Box--Fig 1

New Postage Law

Repairing a Ship's Bottom While Afloat

Patent Rat-Trap

The Cotton Crop

Facts to be Remembered

Index

Patent Claims

Correspondent