Skip to main content


New Publications

The Celebrated Niagara Suspension Bridge

Money's Improvement in Umbrellas

The American Torpedo Boat of 1776

Manufacturing, Mining, and Railroad Items

Recent American and Foreign Patents

Answers to Correspondents

Morrison's Machine for Kneading Dough

Roys' Application of Corrugated Iron

Scale for Weighing Letters, Papers, Etc.

Patents in Canada to American Citizens

The Importance and Difficulty of the Puddling Process--Late Improvements in Mechanical Puddling

A Remarkable Summer Excursion

Patents and Claims

Pending Applications for Reissues

Extension Notices


  • Departments

    Business and Personal

Purchase To Read More

Already purchased this issue? Sign In to Access
Select Format
Scroll To Top