Smithsonian Report, 1944.—Howard PLATE 3 
al 
BGOF 
1. DAVID W. TAYLOR MODEL BASIN. AUGUST 20, 1941. 
Weighing a ship model preparatory to ballasting it to the proper displacement, draft, and trim. All models 
as constructed are sufficiently light to permit adding ballast weights to make their weight correspond to 
the probable range of ship displacements. 
2. DAVID W. TAYLOR MODEL BASIN 
Placing ballast weights into ship model to obtain proper trim and even keel. 
