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SA Supplements Vol 27 Issue 701supp

SA Supplements

Volume 27, Issue 701supp

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Features

The Stripping of Films from Gelatine Negatives for Photo -Mechanical Processes

The Paris Exhibition—The Central Entrance and Dome

The Paris Exhibition—The Illuminated Fountains

Armor for Ships

Water-Tube Boilers for Warships

J. I. Thornycroft

Plant and Material of the Panama Canal

William Plumb Williams

The Type-Printing Telegraph

Nails from Tin Scrap

Oberlin Smith

The Tele-Inductor

Note on the use of Geissler's Tubes for Detecting Electrical Oscillations

Jacobi, the Inventor of Electrotyping

Sulphonal

On Flame

F. J. Rowan

The Habits of Thalessa and Tremex

C. V. Riley

A Gigantic Earthworm

A Simple Astronomical Instrument

Hugh D. Vail

Sponges

Rice Culture in Central China

B. J. Franklin

Building Plans and Specifications

Useful Engineering Books

Departments

Patents- June 8, 1889