Hence Chambers succeeded, while Knight failed.

The 'Penny Magazine' was discontinued in 1845, whereas 'Chambers's Edinburgh Journal' has maintained its popularity to the present day.

Chambers, also, like Knight, published an 'Encyclopaedia,' which secured a large circulation.

But he was not trammelled by a Society, and the 'Encyclopaedia' has become a valuable property.
The publication of these various works would not have been possible without the aid of the steam printing press.

When Mr.Edward Cowper was examined before a Committee of the House of Commons, he said, "The ease with which the principles and illustrations of Art might be diffused is, I think, so obvious that it is hardly necessary to say a word about it.