Exhibit 24(b)
                        
                POWER OF ATTORNEY


     KNOW ALL PERSONS BY THESE PRESENTS, that the undersigned
Member of the Administrative Committee of the Alcoa Fujikura Ltd.
Salaried 401(k) Savings Plan and the Alcoa Fujikura Ltd. Hourly
401 (k) Plan (the "Plans") hereby constitutes and appoints
C. GREGG CONROY, BARBARA S JEREMIAH, and DENIS A. DEMBLOWSKI or
any of them, his true and lawful attorneys and agents to do any
and all acts and things and execute any and all instruments which
said attorneys and agents, or any of them, may deem necessary or
advisable or may be required to enable the Aluminum Company of
America (the "Company") to comply with the Securities Act of
1933, as amended, and any rules, regulations or requirements of
the Securities and Exchange Commission (the "Commission") in
respect thereof, in connection with the registration under said
Act of shares of common stock of the Company to be issued and
distributed pursuant to the Plans or any successor plans,
including specifically, but without limiting the generality of
the foregoing, to sign and file on behalf of the Plans or any
successor plans any registration statements to be filed with the
Commission in respect of said Plans or successor plans and shares
of common stock, or either of them, and any and all pre-effective
amendments, post-effective amendments and supplements to any such
registration statements, and any instruments or documents filed
as part of or in connection with any such registration statements
or pre-effective amendments or post-effective amendments or
supplements thereto; including specifically, but without limiting
the generality of the foregoing, any annual or other reports on
Form 11-K or other form to be filed with the Commission in
respect of said Plans or successor plans and the undersigned
hereby ratifies and confirms all that said attorneys and agents,
or any of them, shall do or cause to be done by virtue hereof.

     IN WITNESS WHEREOF, the undersigned has subscribed these
presents on the date set opposite his name below.


December 29, 1995              /s/Robert H. Barton
                                 Robert H. Barton
                                 Member of Administrative
                                 Committee