EXHIBIT 24 POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned Director and/or officer of DRESSER INDUSTRIES, INC., a Delaware corporation (the "Company"), hereby constitutes and appoints REBECCA MORRIS and STANLEY E. MCGLOTHLIN and each or either of them, his true and lawful attorney-in-fact and agent, with full power of substitution and re-substitution, for him and in his name, place and stead, in any and all capacities, to sign Dresser Industries, Inc.'s Annual Report on Form 10-K for the fiscal year ended October 31, 1993, and any and all amendments thereto, and to file the same, with all exhibits thereto, and all other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each or either of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, and each or either of them, or substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned Director and/or officer of the Company has hereunto set his hand this 20th day of January, 1994. /s/ John J. Murphy ------------------- John J. Murphy, Chairman of the Board and Director POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned Director and/or officer of DRESSER INDUSTRIES, INC., a Delaware corporation (the "Company"), hereby constitutes and appoints REBECCA MORRIS and STANLEY E. MCGLOTHLIN and each or either of them, his true and lawful attorney-in-fact and agent, with full power of substitution and re-substitution, for him and in his name, place and stead, in any and all capacities, to sign Dresser Industries, Inc.'s Annual Report on Form 10-K for the fiscal year ended October 31, 1993, and any and all amendments thereto, and to file the same, with all exhibits thereto, and all other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each or either of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, and each or either of them, or substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned Director and/or officer of the Company has hereunto set his hand this 20th day of January, 1994. /s/ B. D. St. John ------------------ B. D. St. John Vice Chairman and Director POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned Director and/or officer of DRESSER INDUSTRIES, INC., a Delaware corporation (the "Company"), hereby constitutes and appoints REBECCA MORRIS and STANLEY E. MCGLOTHLIN and each or either of them, her true and lawful attorney-in-fact and agent, with full power of substitution and re-substitution, for her and in her name, place and stead, in any and all capacities, to sign Dresser Industries, Inc.'s Annual Report on Form 10-K for the fiscal year ended October 31, 1993, and any and all amendments thereto, and to file the same, with all exhibits thereto, and all other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each or either of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as she might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, and each or either of them, or substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned Director and/or officer of the Company has hereunto set her hand this 20th day of January, 1994. /s/ William E. Bradford ----------------------- W. E. Bradford Director POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned Director and/or officer of DRESSER INDUSTRIES, INC., a Delaware corporation (the "Company"), hereby constitutes and appoints REBECCA MORRIS and STANLEY E. MCGLOTHLIN and each or either of them, his true and lawful attorney-in-fact and agent, with full power of substitution and re-substitution, for him and in his name, place and stead, in any and all capacities, to sign Dresser Industries, Inc.'s Annual Report on Form 10-K for the fiscal year ended October 31, 1993, and any and all amendments thereto, and to file the same, with all exhibits thereto, and all other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each or either of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, and each or either of them, or substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned Director and/or officer of the Company has hereunto set his hand this 20th day of January, 1994. /s/Samuel B. Casey, Jr. ----------------------- Samuel B. Casey, Jr. Director POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned Director and/or officer of DRESSER INDUSTRIES, INC., a Delaware corporation (the "Company"), hereby constitutes and appoints REBECCA MORRIS and STANLEY E. MCGLOTHLIN and each or either of them, his true and lawful attorney-in-fact and agent, with full power of substitution and re-substitution, for him and in his name, place and stead, in any and all capacities, to sign Dresser Industries, Inc.'s Annual Report on Form 10-K for the fiscal year ended October 31, 1993, and any and all amendments thereto, and to file the same, with all exhibits thereto, and all other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each or either of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, and each or either of them, or substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned Director and/or officer of the Company has hereunto set his hand this 20th day of January, 1994. /s/ Rawles Fulgham ------------------ Rawles Fulgham Director POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned Director and/or officer of DRESSER INDUSTRIES, INC., a Delaware corporation (the "Company"), hereby constitutes and appoints REBECCA MORRIS and STANLEY E. MCGLOTHLIN and each or either of them, his true and lawful attorney-in-fact and agent, with full power of substitution and re-substitution, for him and in his name, place and stead, in any and all capacities, to sign Dresser Industries, Inc.'s Annual Report on Form 10-K for the fiscal year ended October 31, 1993, and any and all amendments thereto, and to file the same, with all exhibits thereto, and all other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each or either of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, and each or either of them, or substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned Director and/or officer of the Company has hereunto set his hand this 20th day of January, 1994. /s/ John A. Gavin ----------------- John A. Gavin Director POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned Director and/or officer of DRESSER INDUSTRIES, INC., a Delaware corporation (the "Company"), hereby constitutes and appoints REBECCA MORRIS and STANLEY E. MCGLOTHLIN and each or either of them, his true and lawful attorney-in-fact and agent, with full power of substitution and re-substitution, for him and in his name, place and stead, in any and all capacities, to sign Dresser Industries, Inc.'s Annual Report on Form 10-K for the fiscal year ended October 31, 1993, and any and all amendments thereto, and to file the same, with all exhibits thereto, and all other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each or either of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, and each or either of them, or substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned Director and/or officer of the Company has hereunto set his hand this 20th day of January, 1994. /s/ Ray L. Hunt --------------- Ray L. Hunt Director POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned Director and/or officer of DRESSER INDUSTRIES, INC., a Delaware corporation (the "Company"), hereby constitutes and appoints REBECCA MORRIS and STANLEY E. MCGLOTHLIN and each or either of them, his true and lawful attorney-in-fact and agent, with full power of substitution and re-substitution, for him and in his name, place and stead, in any and all capacities, to sign Dresser Industries, Inc.'s Annual Report on Form 10-K for the fiscal year ended October 31, 1993, and any and all amendments thereto, and to file the same, with all exhibits thereto, and all other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each or either of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, and each or either of them, or substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned Director and/or officer of the Company has hereunto set his hand this 20th day of January, 1994. /s/ W. George Nancarrow ----------------------- W. George Nancarrow Director POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned Director and/or officer of DRESSER INDUSTRIES, INC., a Delaware corporation (the "Company"), hereby constitutes and appoints REBECCA MORRIS and STANLEY E. MCGLOTHLIN and each or either of them, his true and lawful attorney-in-fact and agent, with full power of substitution and re-substitution, for him and in his name, place and stead, in any and all capacities, to sign Dresser Industries, Inc.'s Annual Report on Form 10-K for the fiscal year ended October 31, 1993, and any and all amendments thereto, and to file the same, with all exhibits thereto, and all other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each or either of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, and each or either of them, or substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned Director and/or officer of the Company has hereunto set his hand this 20th day of January, 1994. /s/ Lionel H. Olmer ------------------- Lionel H. Olmer Director POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned Director and/or officer of DRESSER INDUSTRIES, INC., a Delaware corporation (the "Company"), hereby constitutes and appoints REBECCA MORRIS and STANLEY E. MCGLOTHLIN and each or either of them, his true and lawful attorney-in-fact and agent, with full power of substitution and re-substitution, for him and in his name, place and stead, in any and all capacities, to sign Dresser Industries, Inc.'s Annual Report on Form 10-K for the fiscal year ended October 31, 1993, and any and all amendments thereto, and to file the same, with all exhibits thereto, and all other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each or either of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, and each or either of them, or substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned Director and/or officer of the Company has hereunto set his hand this 20th day of January, 1994. /s/ A. Kenneth Pye ------------------ A. Kenneth Pye Director POWER OF ATTORNEY KNOW ALL MEN BY THESE PRESENTS, that the undersigned Director and/or officer of DRESSER INDUSTRIES, INC., a Delaware corporation (the "Company"), hereby constitutes and appoints REBECCA MORRIS and STANLEY E. MCGLOTHLIN and each or either of them, his true and lawful attorney-in-fact and agent, with full power of substitution and re-substitution, for him and in his name, place and stead, in any and all capacities, to sign Dresser Industries, Inc.'s Annual Report on Form 10-K for the fiscal year ended October 31, 1993, and any and all amendments thereto, and to file the same, with all exhibits thereto, and all other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each or either of them, full power and authority to do and perform each and every act and thing requisite and necessary to be done, as fully to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents, and each or either of them, or substitute or substitutes, may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned Director and/or officer of the Company has hereunto set his hand this 20th day of January, 1994. /s/ Richard W. Vieser --------------------- Richard W. Vieser Director