Reel 34
Container
Contains 1 Result:
Seidel's valve (numbers 7, 8, 9 and 10), 1960 August 01
Item — Reel: 34
Scope and Contents
High speed photography of Seidel's valve with chordae tendineae in testing machine, with both straight-on and side views. 4 minutes.
Dates:
1960 August 01