20. Cootmurd 



prtnxd (^uite effective as i sifc^ feature m s!t>vk uig the rate of ascent throu^ the »-aier 

 column. 



The assembly was successfoUy tcstcj in the iaborztoiv and at sea and has been 

 fon»:irded to the Harbor Clearance L'nit in liauaii for uj-ier»ice rv'aJuation. 



1^ 



I'nclassificd 



