Volume 26, Issue 668supp
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Features
Notes on Technical Education
The Reason and Purpose of Technical Education
The Sault Ste. Marie Canals
Gasholders without upper Guide Framing
New Transcaspian Railway to Samarkand
A Steam Water Wheel
Protection of Watches against Magnetism
Shallenberger Alternating Current Meter
Electric Welding
Photograph of a Lightning Flash, Taken at Wakefield, Mass
Improved Apparatus for Testing and Analyzing Gaseous Mixtures
On the Reducing Action of Hydrogen in Presence of Platinum
Scientific Development of the Photographic Image
The Variable Star Algol
For Star Gazers
Lake Warren
The Rusting of Iron
On the Chemical Processes Involved in the Rusting of Iron
The Means Employed by Butterflies of the Genus Basilarchia for the Perpetuation of the Species
The California Gray Whale
(Rhacheanectes glaucus, Cope.)
The Chimpanzee
Flowering Trees and Shrubs
Alimentary Aquatic Plants
The Rejuvenescence of Old Trees
Notes on the Germicidal Action of Peroxide of Hydrogen
How to make a Tennis Lawn
Mastic
Pistacia lentiscus, L