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Mr. F. Siemens' Improved Boiler Furnace

The Thirteen Inch De Bange Guns

Electric Tramcars

By A. Reckenzaun

Improved Propeller Shaft

A Simple form of Voltaic Regulator

By G. Gore

Electro-Metallurgy at the Exhibition of Electricity

Glaesener Secondary Battery

A Simple form of Influence Machine

By Julius Elster and Hans Geitel

A New and Rapid Method of German Silver Analysis

By Thomas Moore

Historic Electric Apparatus at the Philadelphia Exhibition

Applications of Electricity to Medicine

Presses for Beet Roots, Etc

Water-Waste Preventer

Economical and Fireproof Plastering

By G. H. Hunt

Benjamin Day's Shading Mediums

Balance for Candles

The Best Ten Buildings in the United States

Ginger Ale

The Linne Monument at Stockholm

Pair of Iron Gates

A Chinese Chair

The Sun's Work

A New Theory of Radiant Heat

By F. Jarvis Patten

The Gumeracha Gold Fields

Good Weeping Trees

Excavation of the Great Temple of Luxor, Upper Egypt

By Amelia B. Edwards

Transformation of Prismatic Sulphur

By D. Gernez


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August 29, 1885