SA Supplements Vol 32 Issue 820supp

SA Supplements

Volume 32, Issue 820supp

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Features

A Review of Marine Engineering during the Past Decade

Alfred Blechynden

The Washington Street Tunnel

Musical Instruments: Their Construction and Capabilities

A. J. Hipkins

The Raising of the Utopia

Asphaltum

Warp Sizing, Drying, and Beaming Machine

A Substitute for Glass

On the Coast of Labrador

Electrical Horse Power

Smith's Improved Moulding Machine

The Microbes of the Soil

The Progress of Medicine

Odorous Woods

John R. Jackson

Is Wild Parsnip Really Poisonous?

Frederick B. Power

Amateur's Way of Rooting Cuttings

Signaling to the Planets

Robert S. Ball

Gum Arabic and its Modern Substitutes

S. Rideal, W. E. Youle

Building Plans and Specifications

Useful Engineering Books

Idle Steamships

Preparation of Sirups

Willesden Paper for Photographic Use

Baynham Jones

Departments

Patents- September 19, 1891