Volume 9, Issue 18
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Features
The Oyster Crop of Baltimore
Machine for Skiving Boot Counters
Large Ships—Conflagration
The Governor
Imponderable Agents—No. 5
Introduction of the Potato into New England
List of Patent Claims
Recent Foreign Inventions
Gold Resources of America
Corn Harvesters
Machine for Turning Spokes
Improved Metal Drill
Apparatus for Condensing Smoke
Improved Joint for Air Heating Pipes
Cutting and Grinding Corn Stalks
The Newly Discovered Sea Bank
Light-Houses
Hot Air Furnaces
The Prizes Again
Patent Extension—New Rule
Patent Plotters and Congress
Fresh Isabella Grapes in January
Candles Made from Minerals and Turf
The Water Ram
Renewal of Colt's Patent
Agricultural Power Machines—The American Threshing Machine in Europe
Crystal Palace
A Chapter of Suggestions, &C
Mechanics
Manufacturers and Inventors