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Features

Electrical Apparatus for Measuring and for Demonstration at the Munich Exhibition

Copper Voltameter

Farcot's Six Horse Power Steam Engine

A New Oxide of Copper Battery

By MM. F. De Lalande and G. Chaperon

Foot Lathes

Endless Trough Conveyer

English Express Trains

Railroad Grades of Trunk Lines

Improved Oil Mill

Large Blue Prints

By W. B. Parsons

Apparatus for Separating Substances Contained in the Waste Waters of Paper Mills, Etc

House Drainage ad Refuse

Pasteur's New Method of Attenuation

Poisonous Serpents and their Venom

By G. Archie Stockwell

Convenient Vaults

To Find the Time of Twilight

Ethnological Notes

Grecian Antiquities

Spanish Fisheries

Duck Shooting at Montauk

The Hornbeams

A New Rule for Division in Arithmetic

Fruit of Camellia Japonica

Experiments in Binary Arithmetic

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