Volume 9, Issue 214supp
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Features
The Tunnel under the Mersey, at Liverpool
Hundred Ton Guns
A New 13-Pounder Gun
Notes on Ironwork
Speed of Ice Boats
Maximum Velocity of Ice Boats
Why Ice Boats Sail Faster than the Wind
The Velocity of Ice Boats
Improved Drop Hammer
Photographs of Microscopic Objects
On the Preparation of Gelatine Emulsion with Glycerine
Improved Spinning Frame
Electric Gas-Pressure Regulators
Fire Brick
Action of Solar Light upon Vegetation in Northern Regions
Polarization of Light
The Bassick Mine, Colorado
The Effects of Alumina Salts on the Gastric Juice in the Process of Digestion.—Experiments on Twenty-Two Living Animals
Mosaic Work in Chancel, Cork Cathedral
Progress of Industrial Chemistry
Brief Review of the Most Important Changes in the Industrial Applications of Chemistry within the Last Few Years
Albuminuria with Healthy Kidneys
The Great Chemical Products at the Universal Exhibition of 1879
The Soda Industry