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Features

Best Diameter of Car Wheels

Improved Overhead Steam Traveling Crane

A New Integrator

By Karl Pearson

Some Hints on Spiking Track

High Explosives in Warfare

By F. M. Barber

The Experiments at the Annapolis Proving Grounds

The Manufacture and use of Plaster of Paris

Glove Making

Spacing the Frets on a Banjo Neck

By C. W. MacCord

Aræo-Picnometer

Reversible Ingrain or Pro-Brussels Carpet

Fabric for Upholstery Purposes

Gaseous Illuminants

By Vivian B Lewes

Electrical Laboratory for Beginners

By M. Hopkins

Estimating Carbon in Organic Substances

By J. Messinger

The Action of the Silent Discharge on Chlorine

Some Winnebago Arts

New Race of Dwarf Dahlias

Building Plans and Specifications

The Philosophy of Consumption

By J. S. Christison

Useful Engineering Books

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March 21, 1891

Think Outside the Gift Box