Volume 87, Issue 14
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Features
The Collapse of the Campanile--The Cause
Fuel Oil in the Merchant Marine
Protecting Our Wild Animals
Science Notes
Paris Metropolitan Railroad--New Systems
By Paris Correspondent of the Scientific American
Modern Pile Drivers
Electric Call
Some New Detectors for Wireless Telegraphy
The Manufacture of Tin Plate--I
The Manufacture of the New Fireproof Material Uralite
By the London Correspondent of the Scientific American