Scientific American Magazine
Volume 45, Issue 17You are currently logged out. Please sign in to download the issue PDF.
Features
American Art in Tools
A Tea Cultivator Wanted
Mica
Steam Boiler Notes
New Graduating Apparatus
Improvement in Tables
Jointed Pitch-Board for Squares
Improved Drawing Pen
The Telephone.--Judge Lowell's Opinions Commented Upon.--Ingenious Transformations
Mechanical Inventions
Improved Curtain-Cord Tightener
New Car Coupling
Improved Mortising Machine
Velocipede Boat in the Public Garden, Boston
American Industries.--No. 77
Miscellaneous Inventions
Departments
New Inventions
Recent Inventions
Notes and Queries
Business and Personal
Index of Inventions
