Scope and Contents 1 Valve in testing machine. Color regular film, then high speed film (1400 fps). 2 Norton heart in hand and in dog. Dog on image amplifier. 3 Pendulum heart in mock circulation. Blood is poured into the mock circulation to show its course. 4 Bellofram heart in mock circulation showing the two different hearts, right and left; the level in the venous reservoir stays constant with considerable flow. 5 Thrombosis on atrioventricular patches. The...