Discoveries and Inventions of the Nineteenth Century

by Robert Routledge

Where they were bid the rivers ran;

New slaves fulfilled the poet’s dream,

Galvanic wire, strong-shouldered steam.

Emerson.

DISCOVERIES AND INVENTIONS
OF THE
NINETEENTH CENTURY

BY

ROBERT ROUTLEDGE, B.Sc.,

SOMETIME ASSISTANT EXAMINER IN CHEMISTRY AND IN NATURAL PHILOSOPHY TO THE UNIVERSITY OF LONDON

THIRTEENTH EDITION

Revised and Partly Re-written, with Additions