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Features

Glass Staining--The Manufacture of Illuminated Church Windows

Improved Floating Water Power

Burnham's Improved Turbine Water Wheel

Why Not Grow Our Own Silk?

Hietel and Geissler's Improved Watch Escapement

An Appeal for Help--The Children's Aid Society

Important Trade Mark Case

Influence of Vegetation upon the Existence of Miasms in the Atmosphere

Freezing of Submarine Water Pipes--Pumping Long Distances

The Human Wheel and Its Rival--The Velocipede Mania

Polished Steel Ornaments--Berlin Cast Iron

Reminiscences of Travel in Spain

Another Sensation on Wall Strert

Manufacture of Arms in Persia

Blasting with Nitro-Glycerin at the Hoosac Tunnel

Artistic or Expressional Dentistry

Manufacturing, Mining, and Railroad Items

Editorial Summary

Dangers of the Use of the Lighter Products of Petroleum

Reforms Needed in the Construction of Some Articles in Common Use

New Publications

Answers to Correspondents

Recent American and Foreign Patents

Official List of Patents

Patent Offices

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January 09, 1869

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