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Features

The Spanish Torpedo Boat Azor

Auguste's Endless Stone Saw

Oliver Evans and the Steam Engine

The New Spanish Armored Cruiser Reina Regente

Roburite, the New Explosive

The Mechanical Reeling of Silk

A New Monster Revolving Black Ash Furnace and the Work Done with it

By Watson Smith

The Telemeter System

By F. R. Upton

Confederate Apparatus for Manufacturing Saltpeter for Ammunition

By Charles K. Gallagher

Apparatus used for making Alcohol for Hospital use during the Civil War between the States

By Charles K. Gallagher

Improvements in the Manufacture of Portland Cement

By Frederick Ransome

Mix and Genest's Microphone Telephone

A Current Meter

Electrolysis and Refining of Sugar

Storage Batteries for Electric Locomotion

By A. Reckenzaun

Bristol Cathedral

Practical Education

Waves

A Gigantic Load of Lumber

The Newbery-Vautin Chlorination Process

The Bull Optometer

Apparatus for Exercising the Muscles

The Sanitation of Towns

By J. Gordon

The Chemistry of the Cotton Fiber

By Bowman

Synthesis of Styrolene

Notes on Saccharin

By Edward D. Gravill

Building Plans and Specifications

Alcohol and Turpentine

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    Patents - November 19, 1887

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November 19, 1887

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