Whilst the greatest effort has been made to ensure the quality of this text, due to the historical nature of this content, in some rare cases there may be minor issues with legibility. A very ample Introduction leaves but little to be said by the author of this treatise by way of Preface. Suffice it to say, that the work of studying this subject, and preparing this book, has throughout been a pure labor of love, and has been undertaken with a view to contribute his portion to wards a vast and vital measure for the wealth and industrial independence of his country.