SA Supplements

New Floating Dock

Ship Waves

The Comparative Value of Steam and Hot Water for Transmitting Heat and Power

The New One Hundred and Ten Ton Gun

Large and Small Locomotives

Petroleum Fuel

“Rapid” Open Hearth Steel Plant

On Red and Purple Chloride, Bromide, and Iodide of Silver; on Heliochromy and on the Latent Photographic Image

A New arrangement of Hydraulic Main

Sand for Glass

Apparatus for Testing Oils

Practical Photography

The Velocity of Propagation of Flame

Experiments on the “Mechanical Equivalent of Heat” on a Large Scale

Improved Electric Pendulum

The Mix and Genest Microphone

The Japanese Magic Mirror

A New Heliograph

The Ba-Yanzi

The International Yacht Race

Color Blindness among Railroad Employes

Renanthera Lowi

A Patient's Account of the Pasteur Treatment

Building Plans and Specifications

A Plant Heliostat

Patents - October 15, 1887