Electronic instruments maker Ametek Inc. of Berwyn, Pa., has acquired privately held !%Technical Manufacturing Corp. (TMC)%! of Peabody, Mass., a manufacturer of vibration isolation systems and optical test benches. Financial terms were not disclosed. TMC’s products are used to isolate sensitive instruments such as scanning electron microscopes and ultraprecision machine tools for the microelectronics, life sciences, photonics and ultraprecision manufacturing industries. TMC will become part of Ametek Electronic Instrument Group’s Ultra Precision Technologies Div., which develops measurement instruments, machine tools and manufacturing systems for the semiconductor, photovoltaic, nanotechnology, military and ophthalmic lens markets.