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On the Care and Maintenance of Bridges

By Theodore Cooper

Port Lyttelton, New Zealand

Founding Piers in the Atchafalaya of Louisiana

New Ice Breaking Vessel

On the use of Concrete in Marine Construction

Brinck & Hubner's Hydraulic Press

Irrigation in Northeastern Colorado

By P. O*amp*apos;Meara

On some Apparatus for use in Connection with Electric Light Measurement

By Robert Sabine

Storage Batteries

Pollard's Telephone

The Gaulard-Gibbs Secondary Generator

On the Re-Enforcement of Sounds Transmitted by the Telephone and Microphone

Sewage Disposal for Isolated Houses

By George E. Waring

Siemens' External Armature Machine

Lincrusta Walton

Cheap Houses

The Blistering of Paint


By Millway Vanes

The Influence of Effective Breathing in Delaying the Physical Changes Incident to the Decline of Life, and in the Prevention of Pneumonia, Consumption, and Diseases of Women


By David Warkk

The Proportion of Carbon Wasted as Soot

Howard Fry

Menthol Versus Pain

By D. M. Cammann

Mullein Leaves in Pulmonary Consumption

Poppy Cultivation in Macedonia

Professor Eichler

Breeding and Management of Swine

By A. W. Rollins

On the Disposition of Color-Markings of Domestic Animals

By Wm. H. Brewer

Canadian Apatite

Microscopic Organisms as Destroyers of Building Materials

A Cure for Sties


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