Improved Hay Fork and Stacking Apparatus, How Money Can be Made, and More

Pillsbury and Milliken's Stove-Pipe Fastener

Varieties of the Exposition

Editorial Summary

Steam Boilers--Their Form, Construction, and Material

Number Five

Petroleum as a Fuel

Mining Intelligence

Business and Manufacturing Items

Recent American and Foreign Patents

Answers to Correspondence

Expenses of a Weekly Newspaper

The Belt Question

Four Years' Work of a Thousand Men

The Vocation of the Engineer

Caution

The New Steam Gun Carriage

Gleanings from the Polytechnic Association

Patent Claims

New Publications

Extension Notices