(Illustrated articles are marked with an asterisk.)
Africa crossed again 193
Aluminum 197
Barometer, aneroid 201
Bolt, door, improved* 198
Bread, snow-raised 199
Buffalo, domestication of the 197
Carpet beetle, remedy for the 195
Chimney flues 198
Clocks, pneumatic 196
Cooper, Peter, as an inventor 193
Crusher, ore, novel* 194
Electricity, statical, phenom. in 194
Flour, banana 195
Furnace, imp., for burn'g garbage* 198
Hardware, English & American 201
Ice cave of Decorah, Iowa 196
Inventions, new agricultural 199
Iron, advance in 201
Light, albo-carbon 201
Magnetism, curious facts in 194
Motor, Gary, the* 196
Natural science, charms of 200
Neutral line, Gary's 196
Notes and queries 203
Patent laws 192
Patents, American, recent 194
Pen, stencil, new* 195
People, a strange 195
Phosphorescence 199
Plants protected by insects 201
Pleuro-pneumonia 192
Railway, Vesuvius 200
Reading and eyesight 199
Reading, taste for 193
Regulator, engine, novel* 195
Spain a field for machinery 193
Sponges, glass* 200
Table, ironing, new* 194
Telegraph, writing 196
Telegraph, writing, Cowper's 197
Telegraphy, ocean, progress of 195
Tiller, steam, new* 191
Tree, pottery 200
Vase, Greek, ancient* 199
* * * * *