SA Supplements

The Monumental Fountain at the Paris Exposition

The Paris Exhibition

Manchester Ship Canal—Plant and Machinery

Express Locomotive, Grand Trunk Railway

The Selkirks

The Canadian Pacific Railway

An Improved Globe Valve

Air Compressor

Woodburytypes

Improvements in Ore Dressing Machinery

Improved Paint Grinding Mill

The Inventors of Photography

A New Determination of the Ohm

The Electrolysis of Common Salt

Cambridge Electric Light Co

American Blast Furnace Practice

A New Secondary Battery

Yeast: Its Morphology and Culture

The Colorado Oil Fields

The Egyptian Papyrus, Tapa, and Ancient Mexican Paper

Views in Guatemala

Detection of Antimony

Building Plans and Specifications

Recovery of Tin from Scrap

Useful Engineering Books

Patents- February 16, 1889