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Improved Governor and Stop Motion, The Flow of Solids

Peck's Improved Low Water Detector and Alarm

On the Machinery for Boring Artesian Walls

Paris Exposition--Award of Premiums

The Consumption of Sugar

Baker's Metallic Bag Fastener

Watson's Gimlet

Merrill's Improved Cask

Business and Manufacturing Items

Recent American and Foreign Patents

Editorial Summary

Answers to Correspondents

Greenwood Cemetery Entrance

Science Familiarly Illustrated

A Shattered Thunderbolt

Torpedos in Every House

A Word to Correspondents

Boring Through the Heart of Trees

How Long Is a Year?

Notice to Subscribers

The Paris Exhibition

Official Report of Patents and Claims


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July 20, 1867