Features
The Centrifugal Gun
Improved Portable Photographic Apparatus
Trade Marks--The Letter G
Scofield's Wagon Brake
Trial of Agricultural Machinery--Success of American Inventions
Editorial Summary
Gibson's Improved Bench Vise
Hersee's Improved Thill Glip for Vehicles
Machinery for Cutting Stone and Tunneling
Richardson's Patent Latch Fastener
Science familiarly Illustrated
Current Recipes
Recent American and Foreign Patents
Answers to Correspondents
The Steamer Bristol
Electrical Anti-Incrustators
Machinery in Theatrical Representations
Notice to Subscribers
The Albany Railroad Bridge
How the Pacific Railway is Built
A Philadelphia Newspaper Establishment
French Ocean Steamers
Obituary
Patents and Claims
Departments
Index
Correspondence
Business and Personal
