Volume 8, Issue 11
You are currently logged out. Please sign in to download the issue PDF.
Features
Milling and the Dress of Stones
The “Dunderberg”
The Pneumatic Post in Operation
Miscellaneous Summary
The Sources of Springs and Rivers
Valuable Receipts
Whitworth's Improved Shell
Dewies' Patent Oil Cup
Abuses in Public Conveyances
Harbor Defense--A New Use for Petroleum
What Can be Done for Inventors--Advice Gratis and Advice for Pay
Cultivate Flax
Unsafe Railroad Bridges
Photo-Lithography
Sleepers for Railways
“How Not to Do Itrdquo;
Discoveries and Inventions Abroad
Recent American Patents
The Waste of Coal
Patent Claims
Issued from the United States Patent Office