PREFACE 



THIS work does not pretend to be an exhaustive treatise 

 on Docks ; it is, in fact, as its title indicates, a collection 

 of notes bearing upon a subject of very great interest, and 

 embracing a very wide field of practice. 



Some of these notes are based upon the Author's own 

 observation and experience, extending over a considerable 

 number of years, while others have been compiled from 

 information very kindly communicated, and from the 

 recorded experience of many of the most prominent men 

 in the profession, who have made this branch of engineer- 

 ing their especial study. 



The notes were commenced with a very different object 

 in view. At the suggestion, however, of the Author of 

 "Notes on Building Construction," they have been 

 amplified with the hope of affording useful information 

 to those interested in the subject, and to indicate through 

 the references where further and fuller particulars may 

 be found. 



The subject has not been dealt with from all points 

 of view. Such a subject as Docks and their construction 



