Protection of River and Harbor Water from Municipal Wastes
The Problem of sewage Disposal
Volume 72, Issue 1853supp
You are currently logged out. Please sign in to download the issue PDF.
Features
Multiplex Telephony and Teleǵraphy—II
Electric Waves Guided by Wires
Radiant Enerǵy and Matter—V
Norǵine, a New Veǵetable Gelatine
A New Paris Double Track Iron Tube Tunnel
The Yellow Poplar
A Substitute for Red Gum in BasKet Mahing
The Bells of Pisa's Leaninǵ Tower
Port Improvements at Hyoǵo-Kobbé
Ocean Maǵnetic Work—II
Some of its Problems
Hydro-Electric Enerǵy from a Disused State Canal
Guiding Balloons by Automatic Wireless Siǵnals
Electricity Meters
How Electric Current is Measured
The use of Radio-Active Substances in Therapeutics
Automatic Alternatinǵ-Current Bloch Siǵnal System for Steam Railroads
Recent Bridǵe Construction in America
Some Observations on Modern Tendencies