(Illustrated articles are marked with an asterisk.)
*Knots and Splices 175
Influence of Cold on Iron and Steel. 176
Oak Graining in Oil Colors 176
Knots and Splices (Explanation) 177
Hartford Steam Boiler and Insurance Co.'s Report 177
*Improved Spiral Spring for Railway Carriages 178
*Portable Writing and Copying Case 178
How Walking-sticks are Made 178
Flowering of the Victoria Regia 178
Jute 178
Ventilation of the Liverpool Tunnel 178
*Impregnating Wood with Tar, etc. 178
*Boardman's Combined Tool 179
*Belt Tightener 179
Some Things I don't want in the Building Trades 179
*Action of the Reciprocating Parts of Steam Engines 179
*Answer to Practical Problem 179
Reciprocating Parts of Steam Engines 179
Test for White Lead 180
How to Build a Chimney 180
Crystallized Honey 180
Rambles for Relics.--No. 2 180
Silk Culture 181
*Universal Boring Machine 182
*Combined Trunk and Rocking-chair 182
Cosmetics 182
*Smith's Infant Dining-chair 182
The Medicines of the Ancients 182
*Barnes Ventilator for Mattresses 182
Exhibition of the National Photographic Association 182
A Scientific and Technical Awakening 183
The Sherman Process 183
Rubber Tires for Traction Engines 183
Central Shaft of the Hoosac Tunnel 184
A Museum of Art and Natural History 184
Report of Judges, American Institute Fair.
--The Allen Engine 184
Lyceum of Natural History 184
Warming and Ventilating Railroad Cars 184
The Mineral Resources of Missouri 185
Scientific Intelligence 185
American Institute of Mining Engineers 185
Consumption of Sugar, Coffee, and Tea 185
Unpleasant Discovery in the Patent Office 185
Substitute for Albumen in Photography (omitted) 185
Louisiana State Fair 185
Test for Purity of Water 185
New Books and Publications 185
Business and Personal 186
Answers to Correspondents 186
Applications for the Extension of Patents 186
Recent American and Foreign Patents 187
Queries 187
Inventions Patented in England by Americans 187
List of Patents 187
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