Volume 9, Issue 217supp
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Features
The Ferry Steamer Loftus Perkins.— Boiler Pressure 450 LB. Per Inch
Tweddell's Hydraulic Capstan and Windlass
When is a Safety Valve not a Safety Valve?
Oscillation and Vibration of Mill Buildings
Smoke Consumer
New Temple at Moscow
Telegraph Wires in Cities
A New Werdermann Electric Lamp
Recent Wonders of Sound
A recent lecture before the Society of Arts, London,
A New Phonograph
Magnetic Reactions
New Process for Photographic Prints
A Gelatine Filter
How to make Lager Beer
The Spectroscope in Solar Work
Photo-Engraving Process for Surface Printing
How to Apply the Hot Water Vaginal Douche
Successful Case of Cholecystotomy
Disinfectants
Experiments designed to test the value of certain gaseous and volatile disinfectants.
Sulphite of Soda in Malarial Fevers
The Ear
Uninterrupted Wearing of Cotton Pellets as Artificial Drum-Heads