Volume 89, Issue 23
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Features
An Electromagnetic Theory of the Aurora Borealis
Wind Bracing During Erection
Still Another Radium Puzzle
The Sixteen-Knot Sailing Yacht
Reporting by Electrophone
By the English Correspondent of the scientific American
The Grangesberg--A Giant Ore-Carrying Steamer
A Motor “Pullman”--Lord Anglesey's New Mors
Photography by Electric Discharges
Electric Blue-Print Machinery
The Obelisk of Mont Pelé
Staff--Its Use and Treatment
Picturesque Chinese Kites
The Lebaudy Airship
By the Paris Correspondent of the Scientific American
Display and Vending Case
Patent Department
Foldable Seat
Centrifugal Machine
Oddities in Inventions
Business and Personal Wants
Read This Column Carefully--You will find inquiries for certain classes of articles numbered in consecutive order. If you manufacture these goods write us at once and we will send. you the name and address of the party desiring the information. iu overdose it is necessary to give the number of the Inquiry