Improved Bolt Cutter

Puddling Iron by Machinery

Application of the Spectral Analysis to Astronomical Phenomena

How American Locomotives are Made

Foreign Summary

Harper's Gas Lighter

Market for the Month

Apprentices and Journeymen

Why Rents Are So High

Renewal of the Winooski and Algon Quin Trial

Grave Charges against the American Institute

Increase of Wealth

Patent Claims

Issued from the U. S. Patent Office

Recent American Patents

Patent Agency Office