SA Supplements Vol 33 Issue 860supp

SA Supplements

Volume 33, Issue 860supp

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Features

Hon. Benjamin F. Tracy, Secretary of the Navy

Masonry Bridges with Semi-Free Joints

The Construction of Race Courses

F. B. krause

H. M. First-Class Cruiser Gibraltar

Electric Meters, Motors, and Money Matters

W. E. Ayrton

The Technology of the Paper Trade

Detecting Water in Petroleum Tanks

The Electric Organ of the Raia Torpedo

Apparatus for Examining the Cavities of the Face by Electric Light

Protection of Telephone Lines against Induction

Dollivo Von Dobrowollsky

The Tocci Twins

The Blended Tocci Brothers, of Locana, Italy

Robert P. Harris

Crystallography

Soiree of the Royal Society

A Century of American Weeds

Their Root Systems Tabulated

Byron D. Halsted

Musk Seeds

Protea Nana

Death Watches

Patents!

Useful Engineering Books

The Scientific American Supplement. Index for Vol.33