Apparatus for Burning Petroleum, Paterson Locomotives, and more

The Great English Machine Works

Foreign Summary

The Fair of the American Institute

Notes on New Discoveries and New Applications of Science

Dibble's Dental Apparatus

Up in a Balloon

The Naval Engines

Recent American Patents

Boswell's Mucilage Bottle

New Form for Coins

Camerer's Safety-Valve Balance

Pistons Without Packing

Soda Water--What it is and How it is Made

A Secret Telegraph

Mechanics' and Inventors' Guide

Patent Claims

Issued from the United States Patent-Office

The Winooski and Algonquin

Pass Them Around

Thomas C. Theaker

Patent Agency Office