Exhibit 24a1 POWER OF ATTORNEY The undersigned, acting in the capacity or capacities with respect to Merrimac Industries, Inc. stated with their respective names below, hereby constitute and appoint MASON N. CARTER and ROBERT V. CONDON, and each of them severally, the attorneys-in-fact of the undersigned with full power to them and each of them to sign for and in the name of the undersigned in the capacities indicated below (a) Post-Effective Amendment No. 1 to the Registration Statement on Form S-8 of the Merrimac Industries, Inc. Long-Term Incentive Plan, (b) Post-Effective Amendment No. 1 to the Registration Statement on Form S-8 of the Merrimac Industries, Inc. Stock Option Plan for Non-Employee Directors, (c) Post-Effective Amendment No. 1 to the Registration Statement on Form S-8 of the 1995 Stock Purchase Plan of Merrimac Industries, Inc., (d) Post-Effective Amendment No. 2 to the Registration Statement on Form S-8 of the 1993 Incentive Stock Option Plan and (e) any and all amendments and supplements thereto: Signature Title Date /s/ Mason N. Carter - --------------------------- Mason N. Carter Chairman of the Board, February 20, 2001 President and Chief Executive Officer (principal executive officer) and Director /s/ Robert V. Condon Vice President, Finance and February 20, 2001 - --------------------------- Chief Financial Officer Robert V. Condon (principal financial and accounting officer /s/ Albert H. Cohen Director February 21, 2001 - --------------------------- Albert H. Cohen /s/ Edward H. Cohen Director February 15, 2001 - --------------------------- Edward H. Cohen /s/ Joseph B. Fuller Director February 15, 2001 - --------------------------- Joseph B. Fuller Signature Title Date /s/ Joel H. Goldberg Director February 15, 2001 - --------------------------- Joel H. Goldberg /s/ Arthur A. Oliner Director February 15, 2001 - --------------------------- Arthur A. Oliner 2