Features
Mounting and Binding Transparencies, Lantern Slides, Etc.
A Gelatine Emulsion for Direct Printing
Heat of Electrical Sparks
Instrument for Coating Photo Plates
Gelatino-Chloride of Silver Pictures by Development
Transfer Printing Processes
The Highest Building in Europe
The New Welland Canal
Gardeners' Cottages
James Gordon Bennett's New Yacht
Failure of a Gasholder
A New Spinning Machine for Wool
The Theory of the Gas-Engine
A New Manganese Mineral
The Discovery of Emeralds in North Carolina
A Mexican Cart
A New Electric Gas Lighter
The Secondary Battery
How to Measure the Sunshine
Edison's Electric Railway
On the Precipitation of Tannic Acid as Tannate of Copper
Electric Resistance of Selenium
Experiments in underground Telephony
The Effects of Heat and Cold on Ice
Fixation of Alumina as a Discharge on Indigo-Blue by Means of Aluminum Chloride
To Dissolve Silver from Silvered Articles
Artificial Indigo
On the Separation of Alumina and Iron from Manganese with Ammonia
How “Wintergreen Oil” is Made
Note on the Volumetric Estimation of Zinc, by Titration with Potassium Ferro-Cyanide
Bismuth Oxide as an Agent for Opening up Silicates
Apparatus for Verifying the Illuminating Power and Density of Illuminating Gas
The Siemens Regenerative Gas-Burner
Silico-Molybdic Acid
On the Transformation of Ozone into Oxygen by Heat
Reverted Phosphates
Carbolic Acid for Boils, Ulcers, Poisonous Bites, Hemorrhoids, Carbuncles, and Tumors
The Irritating Effects of Cardol
Hypothetical High Tides, as Agents of Geological Change
A Geological Broker
Galeandra Nivalis
On the Composition of American Grasses
The Poplar
Dr. Macgowan on the Utilization of Ants as Grub Destroyers in China
The Pipes of all Peoples
Breweries in Europe and the United States
Sardine Fishery
Superstition as an Aid to Thieves
Jersey Cow Lady Mary
Departments
- Departments
Patents
