
Volume 19, Issue 492supp
You are currently logged out. Please sign in to download the issue PDF.
Features
New Spanish Artillery
A New form of Small Bessemer Plant
Early History of the Steam Jack
Triple Compound Engines
Pumping Machinery
Mine Pumping Machinery
Bridge at Verona
Improved Gun Pressure Gauge
The Distillation of Sea Water
Ruler and Triangle for Hatching
Improved Plaiting Machine
Self-Acting Shuttle Guard
Aids to Correct Exposure on Photographic Plates
Isochromatic Photography
Distortion from Expansion of the Paper in Photography
Groups of Statuary for the Pediment of the House of Parliament in Vienna
On the Fritts Selenium Cells and Batteries
Measuring the Thickness of Boiler Plates
Electricity Applied to the Manufacture of Varnish
A New Reflecting Galvanometer
Naglo Brothers' Telephone System
The Gerard Electric Lamp
Histological Methods
Life History of a New Septic Organism
Winter and the Insects
Silk Worm Eggs
The Casino at Monte Carlo
Determining the Mean Density of the Earth
Physics without Apparatus
Erythroxylon
COCA