Volume 11, Issue 269supp
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Features
The Accelograph
On the use of an Apparatus Called the Accelograph for Measuring the Pressures Developed by Gun* Powder Gases, and for Studying the Laws of the Recoil Motion of Firearms
Governors for Marine Engines
Raising Submerged Vessels
Siphons for Sewers
Six-Coupled Locomotive
How to Make a Trawl
Apparatus for Preventing Waste in Twisting and Doubling Yarns and Threads
Burning or Mending Heavy Castings
Iron Railway Sleepers
Emery Machines for Sharpening Tools
The Discovery of Underground Springs
From the French of Daniel Ramee
The Microphone, 1880
The American Franklin Search Expedition
Captain Carver's Early Travels in America
Three Years' Travel-1763-1776—Through the Interior Parts of North America for More than 5,000 Miles by Capt. Jonathan Carver, Glasgow, 1805
Recent Progress in Photography
On the Preparation of Gelatine Emulsion
Enlarging by the Gelatine Process
Gelatine Bromide Tissue
Bromine in the Fatty Acid Series
Goupil's Photogravure
The Action of Light
The Mineral Constituents of Yeast
Preparing Gelatine Plates in the Studio
Cosmos Fiber or Vegetable Wool
Ostrich Feather Dyeing
Determining Phosphoric Acid
Feather Dyeing
Intense Blue