Exhibit 23

            Consent of Independent Registered Public Accounting Firm

We hereby consent to the incorporation by reference in the Registration
Statements on Form S-8 (Nos. 33-00182, 33-8993, 33-8973, 33-16460, 33-16466,
33-25052, 33-37865, 33-37867, 33-36223, 33-52826, 33-52804, 33-52806, 33-52800,
33-37868, 33-51187, 33-51189, 33-54347, 33-54453, 33-65237, 33-61561, 33-58487,
333-19535, 333-14265, 333-90761, 333-90823, 333-94627, 333-48432, 333-46408,
333-43702, 333-43698, 333-40578, 333-40576, 333-33070, 333-33062, 333-33068,
333-33064, 333-33058, 333-33066, 333-33060, 333-33074, 333-33072, 333-62004,
333-76670, and 333-83470) of Thermo Electron Corporation of our report dated
March 14, 2005 relating to the financial statements, financial statement
schedule, management's assessment of the effectiveness of internal control over
financial reporting and the effectiveness of internal control over financial
reporting, which appears in this Form 10-K.




PricewaterhouseCoopers LLP
Boston, Massachusetts
March 14, 2005