31. Lab notes on mechanical booster heart experiments with animals

Format:

Text

32. Mechanical booster heart procedure diagrams

Format:

Text

33. Letter from Adrian Kantrowitz to Nelson H. Kraeft

Format:

Text

34. Letter from Nelson H. Kraeft to Adrian Kantrowitz

Format:

Text

35. Letter from Adrian Kantrowitz to Jack A. Cannon

Format:

Text

36. Memorandum from Adrian Kantrowitz to Fred Grubel

Format:

Text

37. Memorandum from Fred Grubel to N. Herskovits [on pacemaker fund]

Format:

Text

38. Memorandum from David Grob to Fred Grubel [on purchase of internal pacemakers for implantation in patients]

Format:

Text

39. Memorandum from Fred Grubel to N. Herskovits [on pacemaker fund]

Format:

Text

40. Memorandum from Fred Grubel to I. Langer [on purchase of pacemaker for indigent patients]

Format:

Text