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Features

Decisions Relating to Patents - September 27, 1884

The Natural Bridge “Prebischthor,” Saxony

Acknowledgment

Observations on Twilight

A New Principle of Measuring Heat

Solar Aureoles

The Electric Light in Railway Carriages

Electric Street Railways

Domestic Electricity

A Simple Burglar Alarm

New Stand for India Ink

Stretching the Spinal Cord

Optical Illusions and Prestidigitation

New Apparatus for the Examination of Petroleum

Bourdon's Water Bell

Pneumatic Lighting

The Triple Picture

Boiler Explosions.—The Cause and the Remedy

By Thomas Kays

New Public Offices, London

Portable Bridges

Water Meters

The Dohmen-Leblanc Friction Clutch

Meeting of the British Association, at Montreal, Canada, 1884

Educated Animals Exhibited at Paris

The Union of Bodies by Pressure

Aquaria in Frames

Teak Wood and its Production

Native Antimony

By Geo.F. Kunz

New Forms of Laboratory Apparatus

I. APPARATUS FOR FRACTIONAL DISTILLATION.

By Edward Hart

Treatment of Boils

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    Why Do Facts Fail?

    Why Do Facts Fail?

    Deconstructing Denial