Free!
 
Here is a downloadable scan of official US Navy Booklet of General Plans drawings of the Balao-class submarine USS Roncador SS-301 prepared by the boat's builder, the Cramp Shipbuilding Co., Philadelphia, Pennsylvania, dated 7 September 1945.  This sheet includes the inboard profile view.
 
The original scan was obtained from the US National Archives and Records Administration, College Park, Maryland.
 
Click here to search for more ship plans from the US National Archives.
 
Add to cart and order as if this were a model.  You will be able to download the plans as a *.jpg file after ordering at no cost to you.
 
Notice: these plans may not print at the scale stated on them due to the scanner settings chosen when the plans were originally scanned.