The substance of this little work was first published as a series of articles in the British Clayworker, in 1895–96, and I am indebted to the courtesy of the Proprietor of that Journal for...
The substance of this little work was first published as a series of articles in the British Clayworker, in 1895–96, and I am indebted to the courtesy of the Proprietor of that Journal for permission to reproduce them.