Reel 33
Container
Contains 1 Result:
Seidel's valve (numbers 4, 5 and 6), 1960 August 01
Item — Reel: 33
Scope and Contents
High speed photography of Seidel's valve with chordae tendineae in testing machine, with both straight-on and side views. 5 minutes.
Dates:
1960 August 01