EXHIBIT 24(A)

POWER OF ATTORNEY

Each person whose signature appears below hereby constitutes Bruce C.
Karsk, and each of them singly, such person's true and lawful attorney-in-fact,
with full power to them and each of them to sign for such person and in such
person's name and capacity indicated below any and all instruments, reports and
amendments which said attorney-in-fact or any one of them may deem necessary or
advisable to enable Lindsay Manufacturing Co., (the "Company") to comply with
the Securities Exchange Act of 1934, as amended (the "1934 Act"), and any rules,
regulations and requirements of the Securities and Exchange Commission under the
1934 Act, specifically, the power and authority to sign for us or any of us in
our names and in the capacities on the Company's Annual Report on Form 10-K, and
we do hereby ratify and confirm all that said attorneys-in-fact, or any of them,
shall do or cause to be done by virtue of this Power of Attorney.

Executed below by the following persons in the capacities and on the
dates indicated.

SIGNATURE CAPACITY DATE
--------- -------- ----

/s/ GARY D. PARKER Chairman of the Board November 19, 1999
- ------------------------------------- of Directors, President
Gary D. Parker Chief Executive Officer,
(Principal Executive Officer)

/s/ VAUGHN L. BEALS, JR. Director November 19, 1999
- -------------------------------------
Vaughn L. Beals, Jr.

/s/ HOWARD G. BUFFETT Director November 19, 1999
- -------------------------------------
Howard G. Buffett

/s/ MICHAEL N. CHRISTODOLOU Director November 19, 1999
- -------------------------------------
Michael N. Christodolou

/s/ JOHN W. CROGHAN Director November 19, 1999
- -------------------------------------
John W. Croghan