The Design and Construction of Harbours: A Treatise on Maritime Engineering. E-book. Formato PDF Thomas Stevenson   -  Forgotten Books, 2017  - 

Having been informed by the publishers that a new edition of this work was frequently asked for, I have.

Lighthouse Construction and Illumination. E-book. Formato PDF Thomas Stevenson   -  Forgotten Books, 2017  - 

IN the following pages I have done my best to give a condensed statement, lst, Of the facts and principles which regulate the design and construction of Lighthouse Towers in exposed situations and 2d, Of the practical application of optics to Coast Illumination. The history of the introduc tion of the optical agents, and their combinations to meet different requirements, have, so far as consistent with a clear exposition and division of the subject, been arranged in the chronological order of their publication, or of their employ ment in Lighthouses.