Show W 0 XV A S pre prevents v ent the fh bonds bends before our fighting pilots take to t th the air for fop stratosphere flying they must be duped up to do this the pilot just before lie he to takes kes off pedals a stationary motor driven b cycle bicycle I 1 to reduce doce the mount amount of I 1 nitrogen in his b blood cd otherwise gas bubbles would collect in his blood stream the stationary bicycle is a an inexpensive ii piece e of equipment but I 1 the vast q quantities of I 1 th this a and other mat antem materials of v ar make it impera ive for all of us to keep our fighting men well supplied bv licater gi eater and greater purchases of war bonds V U S treasury te s |