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The Manufacture of Terra Cotta and Encaustic Tiles

Von Miller's Statue of Columbus for St. Louis

Victoria Jubilee Tower

Olympia, West Kensington

The First Project for a One Thousand Foot Tower

Our Building Stone Supply

By George P. Merrill

Improved Tea Drier

Starch and the Starching Process as Practiced in Laundries

Lantern Transparencies on Wet Collodion

A Long Pipe

Experimental Ballooning

By Fred. W. Brearey

South Boston Steel Works

The Radcliffe Steel Furnace

Electric Speed Indicator

The Action of Hydrochloric Acid Gas upon Certain Metals

Telephone Relays

On Electrolytic Conductivity

By Bouty

New use for the Microphone

New Galvanometer

A Lecture Experiment on the Expansion of Solids by Heat

The Isolation of Fluorine

Absorption Tubes for the Estimation of Carbonic Acid in Atmospheric or Ground Air

By Thomas C. Van Nuys


By E. Duclaux

The Risks of Transatlantic Steamships

How to Ride a Russian Horse

The Distribution of the Minor Planets

By Daniel Kirkwood

Washington Anthropological Society, Meeting of November 16, 1886

An Open Air Silo

Insects on Fruit Trees

The Great Horse Tail

(Equisetum Telmateia.)


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January 22, 1887