Volume 18, Issue 456supp
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Features
Acknowledgment
The Natural Bridge “Prebischthor,” Saxony
Observations on Twilight
A New Principle of Measuring Heat
Solar Aureoles
Electric Street Railways
The Electric Light in Railway Carriages
Stretching the Spinal Cord
New Stand for India Ink
A Simple Burglar Alarm
Domestic Electricity
Optical Illusions and Prestidigitation
New Apparatus for the Examination of Petroleum
Pneumatic Lighting
Bourdon's Water Bell
The Triple Picture
Boiler Explosions.—The Cause and the Remedy
New Public Offices, London
Portable Bridges
Water Meters
Meeting of the British Association, at Montreal, Canada, 1884
The Dohmen-Leblanc Friction Clutch
Educated Animals Exhibited at Paris
Aquaria in Frames
The Union of Bodies by Pressure
Teak Wood and its Production
Treatment of Boils
Native Antimony
New Forms of Laboratory Apparatus
I. APPARATUS FOR FRACTIONAL DISTILLATION.