LECTURES AT HOME.

DISCOVERY AND MANUFACTURE OF GLASS:

LENSES AND MIRRORS:

THE STRUCTURE OF THE EYE.

BY MARIA HACK.

"Why should not children be instructed in those wonderful works of
Nature and Art, which we daily use without ever reflecting how they are
produced?"-ROLLIN.

LONDON:

PRINTED FOR DARTON AND HARVEY,

GRACECHURCH-STREET.

1834.

135.