CONTENTS.


COAL AND COAL MINES

SCIENCE APPLIED TO ART

A PENNY'S WORTH; OR, "TAKE CARE OF THE PENCE, AND
THE POUNDS WILL TAKE CARE OF THEMSELVES"

PAST AND PRESENT MEANS OF COMMUNICATION

THE STEAM-ENGINE

ON ATTRACTION

THE OIL FROM LINSEED

HODGE-PODGE; OR, WHAT'S INTILT




LECTURES ON POPULAR AND SCIENTIFIC SUBJECTS.




_COAL AND COAL-MINES._