POWER OF ATTORNEY The undersigned does hereby constitute and appoint William A. Hodder and Raymond F. Vodovnik, and each of them, his attorney-in-fact for the purpose of signing in his name and on his behalf as a Director of Donaldson Company, Inc., a report on Form 10-K for the Annual Report, pursuant to Section 13 or 15(d) of the Securities Act of 1934, of Donaldson Company, Inc. and to deliver on his behalf said report so signed for filing with the Securities and Exchange Commission. Dated: October 17, 1994 /s/ A. Gary Ames ----------------- A. Gary Ames POWER OF ATTORNEY The undersigned does hereby constitute and appoint William A. Hodder and Raymond F. Vodovnik, and each of them, his attorney-in-fact for the purpose of signing in his name and on his behalf as a Director of Donaldson Company, Inc., a report on Form 10-K for the Annual Report, pursuant to Section 13 or 15(d) of the Securities Act of 1934, of Donaldson Company, Inc. and to deliver on his behalf said report so signed for filing with the Securities and Exchange Commission. Dated: October 17, 1994 /s/ Michael R. Bonsignore -------------------------- Michael R. Bonsignore POWER OF ATTORNEY The undersigned does hereby constitute and appoint William A. Hodder and Raymond F. Vodovnik, and each of them, his attorney-in-fact for the purpose of signing in his name and on his behalf as a Director of Donaldson Company, Inc., a report on Form 10-K for the Annual Report, pursuant to Section 13 or 15(d) of the Securities Act of 1934, of Donaldson Company, Inc. and to deliver on his behalf said report so signed for filing with the Securities and Exchange Commission. Dated: October 17, 1994 /s/ Jack Eugster ----------------- Jack Eugster POWER OF ATTORNEY The undersigned does hereby constitute and appoint William A. Hodder and Raymond F. Vodovnik, and each of them, his attorney-in-fact for the purpose of signing in his name and on his behalf as a Director of Donaldson Company, Inc., a report on Form 10-K for the Annual Report, pursuant to Section 13 or 15(d) of the Securities Act of 1934, of Donaldson Company, Inc. and to deliver on his behalf said report so signed for filing with the Securities and Exchange Commission. Dated: October 17, 1994 /s/ Kendrick B. Melrose -------------------------- Kendrick B. Melrose POWER OF ATTORNEY The undersigned does hereby constitute and appoint William A. Hodder and Raymond F. Vodovnik, and each of them, his attorney-in-fact for the purpose of signing in his name and on his behalf as a Director of Donaldson Company, Inc., a report on Form 10-K for the Annual Report, pursuant to Section 13 or 15(d) of the Securities Act of 1934, of Donaldson Company, Inc. and to deliver on his behalf said report so signed for filing with the Securities and Exchange Commission. Dated: October 17, 1994 /s/ S. Walter Richey -------------------- S. Walter Richey POWER OF ATTORNEY The undersigned does hereby constitute and appoint William A. Hodder and Raymond F. Vodovnik, and each of them, his attorney-in-fact for the purpose of signing in his name and on his behalf as a Director of Donaldson Company, Inc., a report on Form 10-K for the Annual Report, pursuant to Section 13 or 15(d) of the Securities Act of 1934, of Donaldson Company, Inc. and to deliver on his behalf said report so signed for filing with the Securities and Exchange Commission. Dated: October 17, 1994 /s/ C. Angus Wurtele --------------------- C. Angus Wurtele POWER OF ATTORNEY The undersigned does hereby constitute and appoint William A. Hodder and Raymond F. Vodovnik, and each of them, his attorney-in-fact for the purpose of signing in his name and on his behalf as a Director of Donaldson Company, Inc., a report on Form 10-K for the Annual Report, pursuant to Section 13 or 15(d) of the Securities Act of 1934, of Donaldson Company, Inc. and to deliver on his behalf said report so signed for filing with the Securities and Exchange Commission. Dated: October 17, 1994 /s/ William G. Van Dyke ----------------------- William G. Van Dyke POWER OF ATTORNEY The undersigned does hereby constitute and appoint William A. Hodder and Raymond F. Vodovnik, and each of them, his attorney-in-fact for the purpose of signing in his name and on his behalf as a Director of Donaldson Company, Inc., a report on Form 10-K for the Annual Report, pursuant to Section 13 or 15(d) of the Securities Act of 1934, of Donaldson Company, Inc. and to deliver on his behalf said report so signed for filing with the Securities and Exchange Commission. Dated: October 17, 1994 /s/ Stephen W. Sanger ---------------------- Stephen W. Sanger