Thanks to the fact that nowadays more and more books are digitized we are able to read books that are some times for decades no longer available for the public for several reasons. That’s quite a pity while these books contains useful information while the archives are destroyed, incomplete or nor accessible.
P. 664: “The sectional floating dock at Philadelphia has been in frequent use during the past year, and is now in pretty good condition. This work being of perishable materials, it has been found necessary to construct iron floats in place of wooden ones. Six of these have been contracted for and are nearly completed. An estimate is submitted in another part of this report for additional iron tanks. This important structure requires constant care and watchfulness on the part of the superintendent.”
Source
The executive documents, printed by order of the senate of the United States, first session, thirty-fifth congress and special session of 1858. 1857-1858. 16 Volumes. Washington, 1858.
P. 664: “The sectional floating dock at Philadelphia has been in frequent use during the past year, and is now in pretty good condition. This work being of perishable materials, it has been found necessary to construct iron floats in place of wooden ones. Six of these have been contracted for and are nearly completed. An estimate is submitted in another part of this report for additional iron tanks. This important structure requires constant care and watchfulness on the part of the superintendent.”
Source
The executive documents, printed by order of the senate of the United States, first session, thirty-fifth congress and special session of 1858. 1857-1858. 16 Volumes. Washington, 1858.
