Chapter I: ENGINEERING AND MECHANICS.--The Panama Canal. By

MANUEL EISSLER. I.--Historical notes.--Spanish Discoveries
in Central America.--Early explorations.--Nicaragua
projects.--Panama railway, etc.

Improved Averaging Machine.

Compound Beam Engine. 4 figures.--Borsig's improved
compound beam engine.

Power Hammers with Movable Fulcrum.--By DANIEL
LONGWORTH. 5 figures.

The Bicheroux System of Furnaces Applied to the Puddling of
Iron. 2 figures.

Gessner's Continuous Cloth Pressing Machine. 3 figures.

Novelties in Ring Spindles. 4 figures.

Improvements in Woolen Carding Engines.